ˈkələ(r)lə̇s adjective
Etymology: Middle English colourless, from colour + -less
1. : without color:
a. : transparent and not distinguished by any hue
a colorless gas
b. : pallid , blanched
a colorless sallow complexion
2. : without distinctive character: as
a. : lacking variety and contrast, energetic individuality, animating qualities such as spontaneity, or ability to command interest
colorless histories, so passionless and so lacking in distinctive mark or motive — Woodrow Wilson
b. : free from any manifestation of partial or peculiar feeling : neutral
did not try to write a colorless story — W.A.White
• col·or·less·ly adverb