back sb up
— phrasal verb with back uk/bæk/us/bæk/verb
B2 to support or help someone:
My family backed me up throughout the court case.
C2 to say that someone is telling the truth:
Honestly, that's exactly what happened - Claire will back me up.
Will you back me up if I say that I never saw him?
Thesaurus: synonyms and related words
Backing, supporting & defending
- -backed
- argumentation
- bale out
- bear
- behind every great/successful man there stands a woman idiom
- buttress
- carry
- defensible
- endorse
- espouse
- fight your corner idiom
- right behind sb idiom
- speak
- stake
- stand by sb
- stand by sth
- stand shoulder to shoulder with sb idiom
- strike
- sympathize
- sympathy
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You can also find related words, phrases, and synonyms in the topics:
Proving and disproving