Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “swear”

See all translations

swear

verb
 
 
/sweər/ ( past tense swore, past participle sworn)
BAD LANGUAGE [I] B2 to use language that people think is rude or offensive: He was sent home because he swore at the teacher. She swore loudly and threw the box on the floor.Swearing and blasphemy
PROMISE [I, T] B2 to make a serious promise: [+ to do sth] I swear to tell the truth. [+ (that)] She swore that she was at home at the time of the accident.Making and breaking promises and commitments
TRUE [T] used to say that you are sure something is true: [+ (that)] I could have sworn that she said she lived in Canterbury (= I was sure she lived in Canterbury, but now I have found that it is not true).Making and breaking promises and commitments
(Definition of swear from the Cambridge Learners Dictionary © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website

Definitions of “swear” in other dictionaries

Word of the Day

derivative

If something is derivative, it is not the result of new ideas, but has been developed from or copies something else.

Word of the Day

Euphemisms (Words used to Avoid Offending People)

by Kate Woodford,
March 04, 2015
​​​ We recently looked at the language that we use to describe lies and lying. One area of lying that we considered was ‘being slightly dishonest, or not speaking the complete truth’. One reason for not speaking the complete truth is to avoid saying something that might upset or offend people. Words and

Read More 

snapchat verb

March 02, 2015
to send someone a message using the photomessaging application Snapchat We used to have a thing until he got a girlfriend. now

Read More