UNWONTED
unwonted
(adjective) unaccustomed or unusual; “an unwonted softness in her face”
Source: WordNet® 3.1
Etymology
Adjective
unwonted (comparative more unwonted, superlative most unwonted)
Not customary or habitual; unusual; infrequent; strange.
(archaic) Unused (to); unaccustomed (to) something.
Source: Wiktionary
Un*wont"ed, a.
1. Not wonted; unaccustomed; unused; not made familiar by practice;
as, a child unwonted to strangers. Milton.
2. Uncommon; unusual; infrequent; rare; as, unwonted changes.
"Unwonted lights." Byron.
– Un*wont"ed*ly, adv.
– Un*wont"ed*ness, n.
Source: Webster’s Unabridged Dictionary 1913 Edition