1 affirm, assert, asseverate, attest, avow, declare, depose, give one's word, pledge oneself, promise, state under oath, swear blind, take an oath, testify, vow, warrant
2 be foul-mouthed, blaspheme, curse, cuss (informal) imprecate, take the Lord's name in vain, turn the air blue (informal) utter profanities
by depend on, have confidence in, rely on, trust
English Collins Dictionary - English synonyms & Thesaurus
swear ( swears 3rd person present) ( swearing present participle) ( swore past tense) ( sworn past participle )
1 verb If someone swears, they use language that is considered to be rude or offensive, usually because they are angry.
It's wrong to swear and shout... V
They swore at them and ran off. V at n
2 verb If you swearto do something, you promise in a serious way that you will do it.
Alan swore that he would do everything in his power to help us... V that
We have sworn to fight cruelty wherever we find it... V to-inf
The police are the only civil servants who have to swear allegiance to the Crown... V n
I have sworn an oath to defend her. V n
3 verb If you say that you swear that something is true or that you can swear to it, you are saying very firmly that it is true., (emphasis)
I swear I've told you all I know... V that
I swear on all I hold dear that I had nothing to do with this... V on/by n that
Behind them was a confusion of noise, perhaps even a shot, but he couldn't swear to it. V to n
4 verb If someone is swornto secrecy or is swornto silence, they promise another person that they will not reveal a secret.
She was bursting to announce the news but was sworn to secrecy. be V-ed to n
sworn swear by phrasal verb If you swear by something, you believe that it can be relied on to have a particular effect. INFORMAL Many people swear by vitamin C's ability to ward off colds. V P n swear in phrasal verb When someone is sworn in, they formally promise to fulfil the duties of a new job or appointment. usu passive Soon after the New Year, the new Congress will come to Washington to be sworn in. be V-ed P
swear word ( swear words plural ) , swearword A swear word is a word which is considered to be rude or offensive. Swear words are usually used when people are angry. n-count
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