to protrude, to stick out / to stick into/pierce something / to deeply impress or influence someone's mind

a shirt / an undershirt, a vest

(chiefly women's speech) first person singular pronoun: I, me

an ace in cards or a "one" in dice / the first or top item

a pin, such as a hairpin, tie pin, bowling pin, or golf pin

(polite) first-person singular pronoun: I, me

a personal or private matter / (by extension) selfishness

(formal) first-person singular pronoun: I, me

personal, private / secret

a personal or private matter / selfishness / privacy, secrecy / (women's speech, obsolete) a brother-in-law