Added 9 October 2026 colorless /ˈkʌl.ə.ləs/ adjective Categories: Describing WordsRare Words adjective ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about colorless at Wordnik → Where our words come from → Lacking in variety and interest. a colorless and unimaginative person Weak in color; not colorful. Related Words: uncolouredachromaticachromatousachromousinkyblackishwhitewaxenwaxypastywaxlikewhitish Back to today's word