frost (ice crystals in objects exposed to the air) / (by extension) ice adhered inside an electric refrigerator / (figuratively) white hair

close friend, bosom buddy / crony, chum

frost / years / white as snow, cold as ice, harsh as snow

a surname

(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

personal, private / secret