Synonyms of fancy oneself in English:

fancy oneself


See definition of fancy

phrase

1‘a couple of lads who fancy themselves’

SYNONYMS
have a high opinion of oneself, be confident of one's abilities
think one is the cat's pyjamas, think one is the cat's whiskers, think one is God's gift, think one is God's gift to women
British reckon oneself
ANTONYMS

be modest