opaque

Meaning

Adj

1. Neither reflecting nor emitting light.
2. Allowing little light to pass through, not translucent or transparent.
3. Unclear, unintelligible, hard to get or explain the meaning of.
4. Obtuse, stupid.
5. Describes a type for which higher-level callers have no knowledge of data values or their representations; all operations are carried out by the type's defined abstract operators.

Noun

1. (obsolete) An area of darkness; a place or region with no light.
2. Something which is opaque rather than translucent.

Verb

To make, render (more) opaque.

Synonyms

dull

obscure

dim

cloudy

☁️

foggy

🌁

black

turbid

unintelligible

non-transparent

not transparent

light-proof

dark

hazy

glazed

somber

blear

muddy

murky

sombre

splashy

thick

translucence

translucent

unclear

unintelligent

woozy

hard to see

opacous

abstruse

fotoresist

arcane

bleary

blurred

blurry

dense

dingy

dusk

frosted

light

misty

nontransparent

obtuse

porcelain

prolix

recondite

roily

shady

Pronounced as (IPA)

/əʊˈpeɪk/

Etymology

From Middle English opake, from Latin opacus (“shaded, shady, dark”) (of unknown origin), later reinforced from Middle French opaque. Doublet of ubac.