know-it-all

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know-it-all

A person who seems or affects to know everything about any given topic, and who makes an irritating point of demonstrating their knowledge to others. Jim's new boyfriend is such a know-it-all. I can't stand having a conversation with him about anything!

know-it-all

n. someone who gives the impression of knowing everything. Pete is such a know-it-all!
References in periodicals archive ?
When particularly pleased with themselves, know-it-alls may gush, "No one could touch me.
A sound strategy is to encourage know-it-alls to consider alternative viewpoints while carefully avoiding any direct challenges to their expertise.
Although many laboratory situations do not afford the luxury of time, you can still take steps to keep know-it-alls in check.
The crux of the academic strategy that has succeeded so well for know-it-alls is to ask extensional questions--that is, questions that encourage the other person to rethink what has just been said.
Know-it-alls are more likely to accept alternative ideas that reflect their own concerns.
David will tackle today's most pressing issues and deflate know-it-alls who have the ear of the public, and cut through the lies of spin doctors and extremists whose voices are too loud for the public to make up their own minds.
According to the survey, more than 60 per cent of people love to see know-it-alls come unstuck by being proved wrong.
SIMON COWELL is rarely lost for words and now he's been voted the nation's biggest know-it-all.
But many turf know-it-alls, who'd closely studied The Derby's sectional times, argued until they were blue in the face that the Epsom form would be upheld.
Of course, Dandy Warhols know-it-alls rejoiced when the song showed up in the Gap stores' Christmas 2000 ad campaign.
Whether you need to sell a house or buy a facelift, raise a child or bake a cake, the TV channels are bursting with know-it-alls riding to the rescue.
I wish these know-it-alls would understand that not all college grads have a choice of where they want to work.
Meanwhile, visitors can bond with "The Three Know-It-Alls," a trio of tongue-in-cheek characters with very strong opinions about how the Academy Awards(R) are going to shape up.
Of course, handing out their 20 top tips would only have filled about 10 minutes of screen time, so they had to invite all those irritating telly designers (Linda Barker, you know who you are) and housebuying/selling know-it-alls clogging up the schedules to stick their tuppence worth in, too.
PERHAPS in the light of reports that girls as young as 14 are seeking fertility treatment, all those pompous know-it-alls, who have been shouting about the need for more sex education in schools, might button their lips.