Find Synonyms

acid Synonyms

Another word for acid

Choosing another word for acid depends on context, so the 16 synonyms and similar words below are separated across 3 exact definitions and ranked by match strength.
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• adjective (Context 1)

Containing acid or having the chemical properties of an acid; having a pH of less than 7.

Usage Example

"Blueberries and azaleas thrive best in moist, acidic soil."

Strongest
acidic
Strong
acidulous

• adjective (Context 2)

Having a sharp, sour, or biting taste like that of vinegar or lemon juice.

Usage Example

"The unripe plums had a fiercely sour flavor that made her pucker."

Strongest
sour
tart
Strong
tangy
sharp
acerbic
vinegary

• adjective (Context 3)

Sharp, biting, or fiercely critical in tone, manner, or expression.

Usage Example

"The theater critic was notorious for his acerbic wit and unforgiving reviews."

Strongest
acerbic
caustic
mordant
Strong
trenchant
biting
cutting
scathing
sharp
sardonic
acrimonious

Opposites of acid

The opposite of acid shifts depending on context. Common opposites include:

base
alkaline
alkali
basic
sweet
kind
gentle
sugary
See all opposites of acid

• Nearby Words

achira
achoo
achy
acid
acidic
acidically
acidify

Cite this Entry

Wordmom. (2026). Synonyms for Acid. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/acid
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