The term 'not drab' can be described by four crossword solutions: COLORFUL (8 letters), GAUDY (5 letters), LUSTROUS (8 letters), and PICTURESQUE (11 letters). COLORFUL is an adjective that means having a variety of bright colors, while GAUDY is an adjective that means excessively bright or showy. LUSTROUS is an adjective that means having a soft, glowing shine, and PICTURESQUE is an adjective that means having an attractive or pleasing appearance. All of these words describe something that is not drab, which is an adjective meaning dull and uninteresting.