The Oxford Thesaurus An A-Z Dictionary of Synonyms - alone 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.