boy
noun
a youthful male person
“the baby was a boy”
“she made the boy brush his teeth every night”
Synonymsmale childOppositesgirla friendly informal reference to a grown man
“he likes to play golf with the boys”
a male human offspring
“their son became a famous judge”
“his boy is taller than he is”
SynonymssonOppositesgirl
Source: WordNet 3.1, Princeton University