sharp (of a blade etc.) / pointed, penetrating (question etc.) / sharp, perceptive

sharp

sharp; pointed; acute; keen

(literary) sharp weapon / (literary) elite; pick

(literary) keen

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

private; mine

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

a personal or private matter / (by extension) selfishness

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