flashiness

He had bought a new suit, brilliant blue, almost electric in its flashiness, nor had he been careful as to style.

The due mean between flashiness and dulness is hard to be attained, but we have it here.

The young man studiously avoided the slightest appearance of flashiness in his dress and manner.

There was a self-consciousness and a somewhat bewildering flashiness about it that he had not counted on.

Excellently dressed, without a touch of flashiness, he did look eminently respectable—and lingered a moment.