nauseating
[adjective]
Synonyms: offensive, disgusting, foul, icky, loathsome, nasty, noisome, repugnant, repulsive, sickening

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Antonyms: appetizing

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English Thesaurus: horrible, disgusting/revolting, nasty, nauseating, foul, ...

[TahlilGaran] English Synonym Dictionary ▲

nau‧se‧a‧ting /ˈnɔːzieɪtɪŋ, -si- $ ˈnɒːzi-, -ʃi-/ adjective

1. making you feel that you are going to vomit Synonym : sickening:
the nauseating smell of rotting fish

2. making you feel annoyed or offended Synonym : disgusting:
his nauseating remarks
—nauseatingly adverb

[TahlilGaran] Dictionary of Contemporary English ▲

horrible very bad and unpleasant:
What’s that horrible smell?
This fish tastes horrible.
disgusting/revolting horrible, especially in a way that makes you feel slightly sick:
I had to take two spoons of some disgusting medicine.
The stench in the room was revolting.
nasty very unpleasant – often used about a taste that stays in your mouth:
Cheap wine sometimes leaves a nasty taste in your mouth.
the nasty smell of bad eggs
nauseating /ˈnɔːzieɪtɪŋ, -si- $ ˈnɒːzi-, -ʃi-/ horrible and making you feel that you are going to vomit – used especially about a smell:
the nauseating smell of stale beer and cigarette smoke
foul /faʊl/ horrible – used especially when there is decay or waste:
There was a foul smell coming from the water.
Whatever it was in that cup, it tasted foul.
horrible/terrible/awful/dreadful very bad and unpleasant:
For one horrible moment, I thought I was going to fall.
The refugees were living in dreadful conditions.
It must have been a terrible worry for them.
Thousands of people lost their jobs – it was awful.

[TahlilGaran] English Thesaurus ▲