(1):
(a.) Sole; only; exclusive.
(2):
(adv.) Solely; simply; exclusively.
(3):
(a.) Of or by itself; by themselves; without any thing more or any one else; without a sharer; only.
(4):
(a.) Hence; Unique; rare; matchless.
(5):
(a.) Quite by one's self; apart from, or exclusive of, others; single; solitary; - applied to a person or thing.