boss vs adult male

boss and adult male both are nouns.

Word	Noun	Adjective	Verb	Adverb
boss	Yes	Yes	Yes	No
adult male	Yes	No	No	No

As nouns, adult male is a hypernym of boss; that is, adult male is a word with a broader meaning than boss:

Other hypernyms of boss include man, supervisor.

boss (noun)	adult male (noun)
a circular rounded projection or protuberance	an adult person who is male (as opposed to a woman)
a person responsible for hiring workers
a person who exercises control over workers
a leader in a political party who controls votes and dictates appointments
a person who exercises control and makes decisions

boss (adjective)	adult male (adjective)
exceptionally good

boss (verb)	adult male (verb)
raise in a relief