Celtic restored their five-point lead in the Scottish Premier League after ending Dundee United's 11-game unbeaten run with a display of power and poise.
The visitors broke the deadlock when Anthony Stokes' low drive deflected in off the heel of hapless Garry Kenneth.
That came on 16 minutes and, after another 20, it was Sean Dillon's turn to deflect in a Mark Wilson shot.
David Goodwillie swept in United's reply after 64 minutes, but Daniel Majstorovic headed in 15 minutes later.
Celtic's victory not only meant that they completed their 16th game without defeat but restored the gap over reigning champions Rangers, who have two games in hand and thrashed Motherwell on Saturday.
Both managers had expressed their surprise that the game was given the go-ahead after three pitch inspections, with United's Peter Houston suggesting that pressure had been put on referee Mike Tumilty because of the SPL's fixture backlog.
Majstorovic and Wilson both scored for Celtic against United
However, the match that followed belied his and Neil Lennon's fears about the safety of players - or the quality of football from two sides whose unbeaten records both stretched back to 10 November.
United swapped midfielder for striker, with Morgaro Gomis coming in for the suspended Jon Daly, while it was the opposite for Celtic, with Stokes replacing the rested Ki Sung-Yeung in the starting line-up.
And the game started in positive fashion, with United's Craig Conway and Celtic's Kris Commons prominent as both sides probed for openings and looked to exploit the wide areas.
United's Prince Buaben should have done better than slice well over from 12 yards.
Celtic were slightly edging an exciting game thanks to their greater composure, but it was a stroke of fortune that led to the opening goal.
Joe Ledley sent Stokes galloping towards the United area and the striker's shot deflected off Kenneth's heel and deceived Pernis on its way between the goalkeeper and the near post.
Buaben squandered a chance to equalise immediately when the midfielder's strength took him beyond the Celtic defence, but his low shot was deflected clear off Mulgrew's heel.
Scott Robertson picked up the loose ball, but the United midfielder's attempted chip over Fraser Forster was saved on the line by the goalkeeper.
Celtic, though, were looking the more dangerous side, although they got the rub of the green again when extending their lead.
Wilson combined with Scott Brown down the right and, when the midfielder found the right-back 15 yards from goal, the low prodded effort deflected off Dillon and into the net.
Ledley and Stokes both had efforts blocked in an almighty scramble within the United area as the home side desperately tried to stay in the game before half-time.
United had a chance to reduce the deficit when Goodwillie wriggled clear of his markers but drove the ball across the face of goal from a difficult angle.
Majstorovic ought to have given Celtic more breathing space shortly after the break when the tallest man in the Celtic team was somehow left unmarked but headed powerfully wide following a corner.
However, United worked their way into the game against a flagging Celtic side and, when Forster could only block on the line after a Conway free-kick was deflected towards goal off two visiting players, Goodwillie swept it low into the near corner from 10 yards.
United sniffed the possibility of a comeback and Goodwillie was unfortunate when his low drive skidded under Forster, but the ball flew over the crossbar off the goalkeeper's body.
A poor pass-back from Dillon presented Hooper with a chance, but the Celtic striker's bundled shot came back off the face of the far post.
United continued to press, but Celtic killed off their challenge when Majstorovic dived low to fire into the near corner of the net from Mulgrew's free-kick to the front post.
The game ended in comical fashion when Hooper rounded goalkeeper Pernis but stubbed his toe and fell flat on his face as he tried to score seconds before having another effort chalked off after a questionable offside decision.
Live text and stats
Sunday, 13 February 2011
Scottish Premier
Home Team
Score
Away Team
Time
Dundee Utd
1-3
Celtic
FT
(HT 0-2)
Goodwillie 64
Stokes 16
Wilson 36
Majstorovic 78
Dundee Utd
01 Pernis
02 Dillon yellow card
03 Dixon
18 Kenneth
23 Watson
06 Conway
08 Robertson
12 Robertson
15 Buaben (Russell 63)
16 Gomis (Swanson 53)
25 Goodwillie
Substitutes
13 Banks,
17 Douglas,
21 van der Meulen,
14 Swanson,
43 Armstrong,
20 Shala,
27 Russell
Celtic
26 Forster
03 Izaguirre
05 Majstorovic yellow card
12 Wilson yellow card
21 Mulgrew
08 Brown (Ljungberg 80)
16 Ledley
33 Baram Kayal yellow card
10 Stokes (Samaras 71)
15 Commons (Ki Sung-Yeung 63)
88 Hooper
Substitutes
24 Zaluska,
25 Rogne,
07 Ljungberg,
18 Ki Sung-Yeung,
20 McCourt,
36 Carey,
09 Samaras
Ref: TumiltyAtt: 11,414
DUNDEE UTD
CELTIC
Possession
Dundee Utd60%
Celtic40%
Attempts on target
Dundee Utd3
Celtic5
Attempts off target
Dundee Utd4
Celtic7
Corners
Dundee Utd4
Celtic5
Fouls
Dundee Utd11
Celtic5
Final Result
Full Time
90:00+3:04 The game is over, as the referee blows his whistle.
90:00+2:03 Georgios Samaras produces a right-footed shot from inside the area that clears the crossbar.
89:40 Effort on goal by Sung-Yeung Ki from just outside the penalty area goes harmlessly over the target.
87:39 David Goodwillie takes a shot from deep inside the box clearing the bar.
87:28 The referee blows for offside. Dusan Pernis takes the indirect free kick.
84:35 Beram Kayal fouled by Keith Watson, the ref awards a free kick. Free kick taken by Charlie Mulgrew.
84:07 Free kick awarded for an unfair challenge on Daniel Swanson by Beram Kayal. Direct free kick taken by Sean Dillon.
84:07 Booking Beram Kayal goes into the book for unsporting behaviour.
81:29 Joe Ledley delivers the ball.
79:49 Substitution Scott Brown leaves the field to be replaced by Fredrik Ljungberg.
77:33 Daniel Swanson challenges Georgios Samaras unfairly and gives away a free kick. Assist by Charlie Mulgrew.
77:33 GOAL - Daniel Majstorovic:Dundee Utd 1 - 3 Celtic Daniel Majstorovic grabs a fantastic headed goal from inside the six-yard box. Dundee Utd 1-3 Celtic.
74:50 The assistant referee flags for offside against David Goodwillie. Indirect free kick taken by Fraser Forster.
72:55 Shot by Gary Hooper from deep inside the penalty box bounces off the post.
71:11 Corner taken right-footed by Craig Conway from the left by-line, Keith Watson challenges Fraser Forster unfairly and gives away a free kick. Direct free kick taken by Fraser Forster.
70:54 Substitution Georgios Samaras replaces Anthony Stokes.
70:35 David Goodwillie takes a shot. Save made by Fraser Forster.
68:58 Gary Hooper delivers the ball, Sean Dillon makes a clearance.
64:49 Outswinging corner taken right-footed by Sung-Yeung Ki from the right by-line, save by Dusan Pernis.
63:14 Assist on the goal came from Garry Kenneth.
63:14 GOAL - David Goodwillie:Dundee Utd 1 - 2 Celtic David Goodwillie fires in a goal from close range to the bottom left corner of the goal. Dundee Utd 1-2 Celtic.
62:05 Free kick awarded for a foul by Mark Wilson on Craig Conway. The free kick is delivered right-footed by Craig Conway from own half.
62:05 Substitution Johnny Russell joins the action as a substitute, replacing Prince Buaben.
62:05 Substitution Sung-Yeung Ki on for Kris Commons.
57:36 Shot from deep inside the area by Craig Conway clears the bar.
56:12 Unfair challenge on Daniel Swanson by Emilio Izaguirre results in a free kick. Sean Dillon restarts play with the free kick.
55:21 Unfair challenge on Beram Kayal by Prince Buaben results in a free kick. Beram Kayal restarts play with the free kick.
54:51 Foul by Sean Dillon on Gary Hooper, free kick awarded. Beram Kayal takes the direct free kick.
54:51 Booking Sean Dillon receives a yellow card.
52:26 Substitution Daniel Swanson comes on in place of Morgaro Gomis.
49:00 Corner taken left-footed by Kris Commons, Headed effort from close range by Daniel Majstorovic goes wide left of the target.
47:41 Inswinging corner taken by Paul Dixon, save made by Fraser Forster.
46:44 Kris Commons takes a inswinging corner.
45:18 Free kick awarded for an unfair challenge on Gary Hooper by Garry Kenneth. The free kick is delivered left-footed by Kris Commons from right by-line, Garry Kenneth makes a clearance.
45:01 The referee starts the second half.
Half Time
45:00+0:06 The players leave the pitch at half time.
44:44 Prince Buaben gives away a free kick for an unfair challenge on Beram Kayal. Free kick taken by Mark Wilson.
43:03 David Goodwillie has an effort at goal from deep inside the area missing to the left of the goal.
41:49 Kris Commons takes a inswinging corner.
41:21 Joe Ledley has a drilled shot. Save by Dusan Pernis.
39:40 Beram Kayal has shot on goal from just outside the penalty box which goes wide of the right-hand upright.
38:57 Daniel Majstorovic is penalised for a handball. Paul Dixon takes the direct free kick.
38:57 Booking Booking for Daniel Majstorovic.
37:12 The official flags David Goodwillie offside. Mark Wilson restarts play with the free kick.
36:48 Booking Mark Wilson goes into the book for unsporting behaviour.
35:20 Assist by Scott Brown.
35:20 GOAL - Mark Wilson:Dundee Utd 0 - 2 Celtic Mark Wilson finds the back of the net with a goal from the edge of the penalty area to the top right corner of the goal. Dundee Utd 0-2 Celtic.
33:23 Corner taken right-footed by Craig Conway, clearance made by Emilio Izaguirre.
33:12 Craig Conway sends in a cross, Joe Ledley manages to make a clearance.
32:28 Free kick awarded for an unfair challenge on Craig Conway by Beram Kayal. Free kick crossed right-footed by Craig Conway from left wing, clearance made by Beram Kayal.
28:54 Effort on goal by Gary Hooper from just outside the penalty area goes harmlessly over the target.
26:43 Unfair challenge on Craig Conway by Mark Wilson results in a free kick. Garry Kenneth restarts play with the free kick.
26:05 The official flags David Goodwillie offside. Fraser Forster takes the free kick.
24:05 Inswinging corner taken right-footed by Craig Conway played to the near post, clearance made by Daniel Majstorovic.
23:59 Paul Dixon sends in a cross, Beram Kayal gets a block in.
23:36 The offside flag is raised against Gary Hooper. Free kick taken by Garry Kenneth.
22:11 Effort from outside the penalty box by Mark Wilson goes wide left of the target.
21:52 Scott Robertson challenges Joe Ledley unfairly and gives away a free kick. Free kick taken by Charlie Mulgrew.
21:09 Free kick awarded for an unfair challenge on Kris Commons by Scott Robertson. Joe Ledley restarts play with the free kick.
18:00 Shot from 12 yards by Prince Buaben. Blocked by Fraser Forster.
15:11 Joe Ledley provided the assist for the goal.
15:11 GOAL - Anthony Stokes:Dundee Utd 0 - 1 Celtic Anthony Stokes fires in a goal from the edge of the penalty area to the bottom left corner of the goal. Dundee Utd 0-1 Celtic.
14:13 Shot on goal by Prince Buaben from just inside the area goes over the target.
12:18 David Goodwillie is ruled offside. Daniel Majstorovic restarts play with the free kick.
7:49 Corner taken left-footed by Kris Commons.
7:29 Morgaro Gomis gives away a free kick for an unfair challenge on Mark Wilson. Daniel Majstorovic takes the direct free kick.
5:54 Garry Kenneth challenges Anthony Stokes unfairly and gives away a free kick. Shot on goal comes in from Charlie Mulgrew from the free kick, Dusan Pernis makes a comfortable save.
2:25 Mark Wilson crosses the ball, save by Dusan Pernis.
1:06 Paul Dixon sends in a cross.
0:47 The ball is delivered by Joe Ledley, Garry Kenneth manages to make a clearance.
0:00 The match begins.
Live text and data provided by The Press Association.
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