bighead(Informal)[noun]Synonyms: boaster, braggart, know-all
(informal) [TahlilGaran] English Synonym Dictionary ▲
big·head (bĭg
hěd
)
n.► Informal. Conceit; egotism.
► also
big head Any of various diseases of animals, especially rams, characterized by swelling of the head, face, or neck.
[TahlilGaran] American Dictionary ▲