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Phrasal verbs beginning with B. Select a phrasal verb for more details.
to decide not to do something because of opposition, or because of pressure from authorities
If you back out of something like an agreement or a deal, you decide not to follow through on it.
to make an extra copy of digital information on disc, flash drive, external hard drive, etc. in case the original data is lost
If you back up what you say, you use evidence or examples to show that it's true.
to help out someone or something that's in serious trouble, especially financial trouble
to give money to a court so that an accused person doesn't have to stay in jail until their trial begins
If you bank on something happening or someone doing something, you depend on it or count on it.
to use specific information, ideas or past experiences as a basis for making a decision
to use something as source material
to have relevance to, or influence on, something
to show that someone is correct or that something is true
to hurt someone by punching, kicking or hitting them with a hard object
If you ask what has become of someone you haven't seen or heard from for a long time, you want to know what's happened to them.
to make something stronger or more powerful
If an activity or an event begins with something, that's the first thing that happens.
If you believe in something, you're sure that it's true or it really exists.
If something belongs to a person, it is owned by that person.
to move the upper part of your body forwards and downwards
to be sure that something will happen
to separate something from whatever it's attached to by biting it
to surprise or amaze someone
If a flame blows out, it goes out because someone blows on it or because of the wind.
If you blow up something, you use explosives to damage or destroy it.
to fill with air or gas in order to inflate something
to make a photograph larger
If something like an action or an attitude borders on something more extreme, it is close to being that extreme.
to resign from a job, or to end a career, usually after a long time
If a machine or a vehicle breaks down, it stops working because of a mechanical problem.
If someone breaks down, they start crying.
If someone breaks into a building or a vehicle, they force their way in, usually to steal something.
to escape from somewhere like a jail or a detention centre
If you break up with your boyfriend or girlfriend, you end your relationship with him or her.
to fill your lungs with air by drawing it in through your nose or mouth
to push air out from your lungs through your nose or mouth
to make a place or a thing look more cheerful and more lively
to become happier and feel more cheerful
If you bring about something, you cause it to happen or you make it happen.
to bring something with you when you return from somewhere
to make something from the past come back, such as a memory, a feeling, an idea, etc.
to cause a government or a leader to lose power
to change the date or time of an event so that it happens earlier than originally planned
to succeed in doing something that's difficult
to cause something like an illness or a painful emotion
to make a quality in someone or something show itself
If you bring somebody up, you raise them from childhood to young adulthood.
to raise a new topic for discussion, or to mention a particular subject or issue in a conversation
to revise your knowledge of something that you learned in the past
to fasten a seatbelt in a car or on a plane
If you tell someone to bugger off, you're telling them to go away in a very impolite and aggressive way.
to add to what you've already succeeded in doing
to add a new section to a house or a building
to work at something and make it get stronger or bigger
to meet somebody by chance
If something like a building or a forest burns down, it's completely destroyed in a fire.
If a fire burns out, it slowly dies down until it stops burning altogether.
to work too hard and suffer from physical and mental exhaustion
to start talking when somebody else is already talking
If you want to tell someone quite forcefully to mind their own business, you can tell them to butt out.
to say nice things to someone before asking them to do something for you or to give you something
to buy somebody's share of a company or a partnership in order to take control of it
to buy all or a lot of something that is in limited supply