Source : WordNet®

unostentatious
     adj 1: not ostentatious; "his unostentatious office";
            "unostentatious elegance" [syn: {unpretentious}, {unpretending}]
            [ant: {ostentatious}]
     2: exhibiting restrained good taste; "the room is pleasant and
        understated" [syn: {understated}, {unpretentious}]
     3: free from ostentation or pretension; "the restrained
        elegance of the room" [syn: {modest}, {restrained}]