swear blind


Also found in: Dictionary, Thesaurus, Medical, Legal.
Related to swear blind: swear up and down

swear blind

To make a very serious, solemn pledge, especially that one is telling the truth. Janet has sworn blind that she wasn't the one to betray me, and I believe her.
See also: blind, swear

swear up and down

To make a very serious, solemn pledge, especially that one is telling the truth. Janet has sworn up and down that she wasn't the one to betray me, and I believe her.
See also: and, down, swear, up

swear blind

BRITISH or

swear up and down

AMERICAN
If someone swears blind that something is true, they insist that they are telling you the truth. He swore blind that he hadn't taken the money. He swears blind that he bears no grudges against Manchester United for sacking him, but I don't know if I believe him.
See also: blind, swear

swear up and down

AMERICAN
If someone swears up and down that something is true, they insist very strongly that they are telling you the truth. He swore up and down he was going to get the cash and bring it right back. I couldn't get it out of my head that maybe it was all part of his plan, although he swore up and down it wasn't. Note: The usual British expression is swear blind.
See also: and, down, swear, up
References in periodicals archive ?
I swear blind I heard his droning Scottish tones spouting rhetoric about the perils facing the British state, to the strains of Land of Hope and Glory and the flapping of the Union Jack.
Ask any passionate footy fan, and they will no doubt swear blind that the league in their home nation is the best.
This pub is perched on the hills overlooking Halifax and has its address as Sowood, but you'd swear blind it was in Outlane.
She knew I hated it and would swear blind she hadn't used any but I'd find little stashes of it in her bathroom which she'd sneak into our house when I wasn't looking.
It means we can all bang on about national pride and wave our union flags, then go out on the lash and swear blind we are really Irish.
I know from my experience as a police officer that two people can watch something happen and one of you will say it was a red car and the other will swear blind that it was green.
The likes of Michael Stoute and Ian Balding swear blind that horses are weaker and less robust than as little as 20 years ago and if you begin to breed out stamina you will weaken the breed even more.
You only have to look at television pundits-one will swear blind it is black and
Stan thinks he's a sergeant major and when you see him, you'll swear blind he was," says Paul with delight.
I did go to the police and they were very sympathetic but it was decided not to go ahead and charge him as his family would swear blind that he was the real victim.
Some swear blind that, mixed with chicken droppings, it offers a cure for baldness