COLORLESS

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 Dictionary entry overview: What does colorless mean? 

• COLORLESS (adjective)
  The adjective COLORLESS has 2 senses:

1. lacking in variety and interest

2. weak in color; not colorful

  Familiarity information: COLORLESS used as an adjective is rare.

 Dictionary entry details 

• COLORLESS (adjective)

Sense 1

Meaning:

Lacking in variety and interest

Synonyms:

colorless; colourless

Context example:

a colorless description of the parade

Similar:

neutral (lacking distinguishing quality or characteristics)

pale; pallid (lacking in vitality or interest or effectiveness)

Also:

dull (lacking in liveliness or animation)

Antonym:

colorful (striking in variety and interest)

Sense 2

Meaning:

Weak in color; not colorful

Synonyms:

colorless; colourless

Similar:

ashen; blanched; bloodless; livid; white (anemic looking from illness or emotion)

bleached; faded; washed-out; washy (having lost freshness or brilliance of color)

drab; sober; somber; sombre (lacking brightness or color; dull)

dulled; greyed (deprived of color)

blanched; etiolate; etiolated ((especially of plants) developed without chlorophyll by being deprived of light)

lurid (ghastly pale)

pale; pallid; wan (abnormally deficient in color as suggesting physical or emotional distress)

pastelike; pasty (resembling paste in color; pallid)

prefaded ((of fabric or clothing) having been given a faded (weathered) appearance by artificial means)

waxen; waxlike; waxy (having the paleness of wax)

white; whitened ((of hair) having lost its color)

Also:

achromatic; neutral (having no hue)

Attribute:

color; colour; vividness (interest and variety and intensity)

Antonym:

colorful (having much or varied color)

Derivation:

colorlessness (the visual property of being without chromatic color)

 Context examples 

A colorless, oily organic carcinogen with a slight odor.

(Diethylhexylphthalate, NCI Thesaurus)

A colorless volatile poisonous liquid compound used as a solvent, fuel, aerosol, propellant and refrigerant.

(Dimethyl Ether, NCI Thesaurus)

If heated, it is a colorless, odorless gas.

(Mercury, Agency for Toxic Substances and Disease Registry)

A colorless, corrosive, oily liquid that darkens with age and has a faint peppermint odor.

(Diethyl Sulfate, NCI Thesaurus)

A colorless, highly flammable, liquid cyclic ether.

(Diepoxybutane, NCI Thesaurus)

A very stable, colorless, odorless, synthetic chlorinated polycyclic hydrocarbon that is a degradation product of Mirex.

(Chlordecone, NCI Thesaurus)

A colorless, volatile, liquid derivative of trichloromethane with an ether-like odor.

(Chloroform, NCI Thesaurus)

A colorless, highly toxic, crystalline compound that turns violet when exposed to air.

(Dianisidine, NCI Thesaurus)

An odorless, colorless, flammable gas that acts as a greenhouse gas in the atmosphere and is produced by a variety of natural sources.

(Methane, NOAA Paleoclimate Glossary)

A stable, colorless, combustible liquid that emits toxic fumes of sulfoxide when heated to decomposition.

(Methyl Methanesulfonate, NCI Thesaurus)