'Unostentatious' definitions:

Definition of 'unostentatious'

(from WordNet)
adjective
Not ostentatious; "his unostentatious office"; "unostentatious elegance" [syn: unostentatious, unpretentious, unpretending] [ant: ostentatious, pretentious]
adjective
Exhibiting restrained good taste; "the room is pleasant and understated" [syn: understated, unostentatious, unpretentious]

Definition of 'Unostentatious'

From: GCIDE