Achromatic :
i pangjyrë
English Meaning :
(Adjective : Having no hue)
(Adjective : Having no hue)
Example : He also experimented with making an achromatic telescope.
He also experimented with making an achromatic telescope.
Colorless :
i pangjyrë
Synonyms :
Uncolored, Pale, Uninteresting
Uncolored, Pale, Uninteresting
English Meaning :
(Adjective : )
Example : Sarin is a clear, colorless , and tasteless liquid that has no odor in its pure form.
Sarin is a clear, colorless , and tasteless liquid that has no odor in its pure form.
Word Example from TV Shows :

...just living their ordinary,
COLORLESS, work-a-day lives.
(The Big Bang Theory Season 1, Episode 4)

...just living their ordinary,
COLORLESS, work-a-day lives.
(The Big Bang Theory Season 1, Episode 4)
Colourless :
i pangjyrë
Synonyms :
Uncolored, Pale, Uninteresting
Uncolored, Pale, Uninteresting
English Meaning :
(Adjective : )
Example : Visually, it's as exciting as a soap opera: flat and colourless .
Visually, it's as exciting as a soap opera: flat and colourless .