Thesaurus.com
Dictionary.com
Definitions

fog

[fog, fawg] / fɒg, fɔg /
NOUN
heavy mist that reduces visibility
Synonyms
STRONGEST
cloud gloom smog smoke steam vapor
STRONG
effluvium film grease haze miasma murk murkiness nebula obscurity smother soup wisp
WEAK
London fog brume ground clouds pea soup smaze visibility zero-zero
NOUN
mental unclarity
Synonyms
STRONGEST
confusion mist
STRONG
befuddlement blindness daze haze maze obscurity perplexity stupor trance vagueness
WEAK
muddledness muddlement
Antonyms
STRONG
consciousness
WEAK
clearness cognizance understanding
VERB
muddle, obscure
Synonyms
STRONG
addle becloud bedim befuddle bewilder blind blur cloud confuse darken daze dim eclipse mist muddy mystify obfuscate perplex puzzle stupefy
WEAK
steam up
Antonyms
STRONG
clarify clear clear up enlighten explain explicate uncloud

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The so-called fog of war and secrecy of special-forces operations make such disputes almost inevitable, according to Beam.

From The Wall Street Journal • Apr. 11, 2026

“If there wasn’t fog, you’d see the Israelis up there,” he said.

From Los Angeles Times • Apr. 7, 2026

Berry felt as if she were in a fog.

From Slate • Apr. 6, 2026

AI detection tools were meant to cut through the fog of the information war.

From Barron's • Apr. 2, 2026

Torak began to see bear shapes in the fog.

From "Wolf Brother" by Michelle Paver

Vocabulary lists containing fog

Physical Geography - Introductory

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

Physical Geography - Middle School

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

Physical Geography - High School

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!