noun · verb · 3 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
UK:/smɒɡ/
Southern-England:Recorded audio is listed in the source snapshot.
US:smäg
US:/smɑɡ/
US:/smɔɡ/
rhymes with -ɒɡ
CMU ARPABET:S M AA1 G
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
A noxious mixture of particulates and gases that is the result of urban air pollution.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: pea-souper, pea-soup fog
Antonyms: none provided
2
verb
Meaning 2
To get a smog check; to check a vehicle or have it checked for emissions.
Definition source: English Wiktionary via Wiktextract
Usage: informal
Examples
If the car is more than five years old, you'll have to have it smogged before you can register it.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
air pollution by a mixture of smoke and fog
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: smogginess
Antonyms: none provided
Broader terms: air pollution
History
Etymology
Blend of smoke + fog.
Across languages
Translations
50 source translations are retained for this English entry.
Arabic:
ضُبْخَان
(ḍubḵān)
— urban air pollution
Arabic:
الضَّبَاب الدُّخَانِيّ
(aḍ-ḍabāb ad-duḵāniyy)
— urban air pollution
Armenian:
սմոգ
(smog)
— urban air pollution
Bulgarian:
смог
(smog)
— urban air pollution
Catalan:
boirum
— urban air pollution
Chinese Mandarin:
煙霧 /烟雾
(yānwù)
— urban air pollution
Czech:
smog
— urban air pollution
Dutch:
smog
— urban air pollution
Esperanto:
fumnebulo
— urban air pollution
Estonian:
sudu
— urban air pollution
Finnish:
savusumu
— urban air pollution
Finnish:
smogi
— urban air pollution
French:
smog
— urban air pollution
Galician:
calixen
— urban air pollution
German:
Smog
— urban air pollution
Greek:
αιθαλομίχλη
(aithalomíchli)
— urban air pollution
Greek:
καπνομίχλη
(kapnomíchli)
— urban air pollution
Hebrew:
ערפיח
— urban air pollution
Hungarian:
füstköd
— urban air pollution
Icelandic:
þreykur
— urban air pollution
Icelandic:
reykjarmóða
— urban air pollution
Icelandic:
mengunarmóða
— urban air pollution
Indonesian:
asbut
— urban air pollution
Indonesian:
asap-kabut
— urban air pollution
Indonesian:
kabut asap
— urban air pollution
Irish:
toitcheo
— urban air pollution
Italian:
smog
— urban air pollution
Italian:
caligine
— urban air pollution
Italian:
fuligine
— urban air pollution
Italian:
fubbia
— urban air pollution
Japanese:
スモッグ
(sumoggu)
— urban air pollution
Korean:
스모그
(seumogeu)
— urban air pollution
Macedonian:
смог
(smog)
— urban air pollution
Malayalam:
പുകമഞ്ഞ്
(pukamaññŭ)
— urban air pollution
Persian:
مه دود
(meh-dud)
— urban air pollution
Polish:
smog
— urban air pollution
Portuguese:
smog
— urban air pollution
Romanian:
smog
— urban air pollution
Russian:
смог
(smog)
— urban air pollution
Serbo-Croatian:
смо̏г
— urban air pollution
Serbo-Croatian:
smȍg
— urban air pollution
Slovak:
smog
— urban air pollution
Spanish:
esmog
— urban air pollution
Spanish:
neblumo
— urban air pollution
Spanish:
niebla contaminante
— urban air pollution
