adj. 1 unaccompanied, unescorted, solitary, by oneself, tout(e) seule, solo, unattended, unassisted; abandoned, desolate, deserted I am alone in the world Leave me alone. 2 unequalled, unparalleled, unique, singular, unexcelled, unsurpassed, without equal, peerless, matchless As a poet, Don stands alone
adv. 3 solitarily, by oneself, solo I'll walk alone 4 only, solely, exclusively, simply, just, merely You alone can help me