Crossword Dictionary
colorless
colorless, colourless - a
lacking in variety and interest; "a colorless and unimaginative person"; "a colorless description of the parade"
weak in color; not colorful
synonyms
arid, boring, drab, dreary, drudging, dry, dull, dusty, flat, heavy, ho-hum, humdrum, jading, jejune, leaden, mind-numbing, monochromatic, monotonous, numbing, old, pedestrian, ponderous, slow, stale, stodgy, stuffy, stupid, tame, tedious, tiresome, tiring, uninteresting, wearisome, weary, wearying
in a sentence
page after page of colorless prose without even one neat turn of phrase
since we can't decide what color to paint the doghouse, our latest home project remains colorless for the time being
etymology
late 14c., "destitute of color," from color (n.) + -less. Figurative sense of "lacking vividness" is recorded from 1861. Related: Colorlessness.