Idioms Beginning With: 'B'

Showing 1 - 50 of 347 results for letter 'B'
Babe in arms
A babe in arms is a very young child, or a person who is very young to be holding a position.
Babe in the woods
A babe in the woods is a naive, defenceless, young person.
Baby boomer
(USA) A baby boomer is someone born in the years after the end of the Second World War, a period when the population was growing very fast.
Back burner
If an issue is on the back burner, it is being given low priority.
Back foot
(UK) If you are on your back foot, you are at a disadvantage and forced to be defensive of your position.
Back number
Something that's a back number is dated or out of fashion.
Back the wrong horse
If you back the wrong horse, you give your support to the losing side in something.
Back to back
If things happen back to back, they are directly one after another.
Back to square one
If you are back to square one, you have to start from the beginning again.
Back to the drawing board
If you have to go back to the drawing board, you have to go back to the beginning and start something again.
Back to the salt mines
If someone says they have to go back to the salt mines, they have to return, possibly unwillingly, to work.
Back to the wall
If you have your back to the wall, you are in a difficult situation with very little room for manoeuvre.
Back-handed compliment
A back-handed compliment is an insult or negative statement disguised as a compliment. For example "This dress doesn't fit me anymore so it would be great on you!"
Back-of-the-envelope calculation
A back of the envelope calculation is a figure that was arrived at quickly or by using estimation--as if someone had grabbed the first scrap of paper they found and made a quick guess.
Backseat driver
A backseat driver is an annoying person who is fond of giving advice to the person performing a task or doing something, especially when the advice is either wrong or unwelcome.
Bad Apple
A person who is bad and makes other bad is a bad apple.
Bad blood
If people feel hate because of things that happened in the past, there is bad blood between them.
Bad egg
A person who cannot be trusted is a bad egg. Good egg is the opposite.
Bad hair day
If you're having a bad hair day, things are not going the way you would like or had planned.
Bad mouth
(UK) When you are bad mouthing,you are saying negative things about someone or something.('Bad-mouth' and 'badmouth' are also used.)
Bad shape
If something's in bad shape, it's in bad condition. If a person's in bad shape, they are unfit or unhealthy.
Bad taste in your mouth
If something leaves you with a bad taste in your mouth, you feel there is something wrong or bad about it.
Bad workers always blame their tools
"A bad worker always blames their tools" - If somebody does a job badly or loses in a game and claims that they were let down by their equipment, you can use this to imply that this was not the case.
Bag and baggage
Bag and baggage means all your possessions, especially if you are moving them or leaving a place.
Bag of bones
If someone is a bag of bones, they are very underweight.
Bag of nerves
If someone is a bag of nerves, they are very worried or nervous.
Baker's dozen
A Baker's dozen is 13 rather than 12.
Bald as a coot
A person who is completely bald is as bald as a coot.
Ball is in your court
If the ball is in your court, it is up to you to make the next decision or step.
Ball of chalk
(UK) If something has gone for a ball of chalk, it has gone terribly wrong.
Balloon goes up
When the balloon goes up, a situation turns unpleasant or serious.
Ballpark figure
A ballpark figure is a rough or approximate number (guesstimate) to give a general idea of something, like a rough estimate for a cost, etc.
Balls to the walls
(USA) If you do something balls to the wall, you apply full acceleration or exertion.
Banana republic
Banana republic is a term used for small countries that are dependent on a single crop or resource and governed badly by a corrupt elite.
Banana skin
(UK) A banana skin is something that is an embarrassment or causes problems.
Band-Aid on a bullet wound
(USA) If you put Band-Aid on a bullet wound, you attempt to deal with a serious problem in an inadequate way.('Band-Aid on a gunshot wound' is also used.)  
Bandit territory
An area or an industry, profession, etc, where rules and laws are ignored or flouted is bandit territory.
Baptism of fire
A baptism of fire was a soldier's first experience of shooting. Any unpleasant experience undergone, usually where it is also a learning experience, is a baptism of fire.
Bar fly
A bar fly is a person who spends a lot of time drinking in different bars and pubs.
Bare your heart
If you bare your heart to someone, you tell them your personal and private feelings. ('Bare your soul' is an alternative form of the idiom.)
Barefaced liar
A barefaced liar is one who displays no shame about lying even if they are exposed.
Bark is worse than their bite
Someone who's bark is worse than their bite may well get angry and shout, but doesn't take action.
Barking up the wrong tree
If you are barking up the wrong tree, it means that you have completely misunderstood something or are totally wrong.
Barkus is willing
This idiom means that someone is willing to get married.
Barrack-room lawyer
(UK) A barrack-room lawyer is a person who gives opinions on things they are not qualified to speak about.
Barrel of laughs
If someone's a barrel of laughs, they are always joking and you find them funny.
Basket case
If something is a basket case, it is so bad that it cannot be helped.
Bat an eyelid
If someone doesn't bat an eyelid, they don't react or show any emotion when surprised, shocked, etc.
Bated breath
If someone says they're waiting with bated breath, they're very excited and find it difficult to be patient.('Baited breath' is a common mistake.)
Bats in the belfry
Someone with bats in the belfry is crazy or eccentric.

> If you have a question about idioms, ask us about it in our Idioms Discussion Forum. If you know of an idiom that you would like to be listed here, please use our online form to suggest an idiom.

Members Get More - Sign up for free and gain access to many more idioms and slang expressions. Register now.