UNUSUAL
unusual
(adjective) not commonly encountered; “two-career families are no longer unusual”
unusual
(adjective) not usual or common or ordinary; “a scene of unusual beauty”; “a man of unusual ability”; “cruel and unusual punishment”; “an unusual meteorite”
strange, unusual
(adjective) being definitely out of the ordinary and unexpected; slightly odd or even a bit weird; “a strange exaltation that was indefinable”; “a strange fantastical mind”; “what a strange sense of humor she has”
Source: WordNet® 3.1
Etymology
Adjective
unusual (comparative more unusual, superlative most unusual)
Not usual, out of the ordinary
Synonyms: uncommon, rare, extraordinary, remarkable, Thesaurus:strange
Antonyms: normal, usual, common, ordinary
Noun
unusual (plural unusuals)
Something that is unusual; an anomaly.
Source: Wiktionary
Un*u"su*al, a.
Definition: Not usual; uncommon; rare; as, an unusual season; a person of
unusual grace or erudition.
– Un*u"su*al*ly, adv.
– Un*u"su*al*ness, n.
Source: Webster’s Unabridged Dictionary 1913 Edition