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v. grinned, grin·ning, grins
To smile broadly, often baring the teeth, as in amusement, glee, embarrassment, or other strong emotion.
To express with a grin: I grinned my approval.
1. The act of grinning.
2. The facial expression produced by grinning.

[Middle English grennen, to grimace, from Old English grennian.]

grin′ner n.
grin′ning·ly adv.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.grinner - a person who grins
individual, mortal, person, somebody, someone, soul - a human being; "there was too much for one person to do"
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References in periodicals archive ?
grinner to winner Tiger Woods has fun with the crowd after putting himself in contention to end barren run
Toby T Brewster Cathedral Road, Cardiff Corbyn the grinner is not the winner AT LEAST Mrs May admits it is her fault over the manifesto, making it look like a choice between Santa Claus and Ebenezer Scrooge.
Lennon's a winner grinner Former Celtic boss Neil Lennon wore a broad smile after watching his Bolton side make it it two wins from three games in his charge.
With: Hani Shukrallah, Asmaa Mahfouz, Ahmed Maher, Gigi lbrahim, Amr Waked, Heba Morayef, Frank grinner, Abdallah Helmy.
The Grinner promptly took victory in the second contest however with Biaggi claiming fifth spot - the lowest he could finish to take the title - victory went to Sykes' rival.
The ute is as Australian as Vegemite or Kylie,' declares a ringer (cowboy) called Grinner, who is holed up at the Burke and Wills Roadhouse in Queensland for a season of mustering.
Trooper Finney managed to get out of his driving position and was on the way towards cover when he noticed that his vehicle's grinner was trapped in the turret.
Granddaddy Henry Grinner said no matter where you go in the world and no matter what you see, somewhere up in there you will find a negro.
Michael Grinner of GIS recently announced that his company is using Tango Enterprise 3.
That leaves Sykes with a mountain to climb at the season finale at Magny Cours on October 7 with just 50 points available however the Grinner refused to be downcast.
Goodfellas pizza company is looking for the 'smiliest' place in the UK and has launched the Winner Grinner competition.
If the guiler, the greaser and the grinner are setting the agenda for this country then it is little wonder even minnows such as Mrs Jones are out for revenge.