colorless

[kuhl-er-lis] / ˈkʌl ər lɪs /

ADJECTIVE

without hue

Synonyms

STRONGEST

drab dull

WEAK

achromatic achromic anemic ashen ashy blanched bleached cadaverous doughy faded flat ghastly livid lurid neutral pale sickly uncolored wan washed out waxen white

Antonyms

STRONGEST

bright

WEAK

brilliant colored colorful distinctive intense interesting lively motley rich stimulating vibrant vivid

ADJECTIVE

unlively, uninteresting

Synonyms

STRONGEST

dreary dull lackluster

WEAK

characterless insipid lifeless prosaic run-of-the-mill tame unmemorable unpassioned vacuous vapid

Antonyms

STRONGEST

bright clear light lively

WEAK

brilliant colored colorful distinctive intense interesting motley rich stimulating vibrant vivid

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The noble gas—completely colorless, odorless, and tasteless—is used in rocket propulsion.

From Barron's • May 28, 2026

The colorless gas can harm the respiratory system of sensitive individuals, according to the Environmental Protection Agency.

From The Wall Street Journal • May 21, 2026

PCE is a man-made, colorless liquid widely used to remove grease in industrial and household settings, including dry cleaning.

From Science Daily • Nov. 12, 2025

The colorless gas is also used to make chemicals found in products such as antifreeze, detergents, plastics and adhesives.

From Los Angeles Times • Aug. 16, 2025

No longer shell-less and colorless, they had developed a kind of thick, grayish, shiny armor.

From "Harry Potter And The Goblet Of Fire" by J. K. Rowling

colorless

Example Sentences

Related Words