Synonyms of fog in English:

fog


See US English definition of fog

See UK English definition of fog

See Spanish definition of niebla

noun

1‘he lost his way in the fog’

SYNONYMS
mist, mistiness, fogginess, haar, smog, murk, murkiness, haze, haziness, gloom, gloominess
British informal pea-souper
Northern English fret, sea fret
British dialect clag
literary brume, fume

2‘I was in such a fog that I couldn't write my name’

SYNONYMS
daze, stupor, trance, haze, muddle
state of bewilderment, state of confusion, state of disorientation

verb

1‘the windscreen fogged up’

SYNONYMS
steam up, mist over, cloud over, film over, become misty, become blurred, become covered in condensation
make hazy, make cloudy, obscure, shade, veil
literary befog, becloud
ANTONYMS

clear

2‘his brain was fogged with sleep’

SYNONYMS
muddle, daze, stupefy, fuddle, befuddle, bewilder, confuse, perplex, baffle, obscure
literary bedim, becloud
rare obfuscate