Synonyms of acidic

acidic

adjective

ə-ˈsi-dik 

1

as in acid

causing or characterized by the one of the four basic taste sensations that is produced chiefly by acids

the acidic flavor of lemon goes nicely with broiled fish

Synonyms & Similar Words

• acid
• sour
• acidulous
• vinegary
• tart
• sourish
• dry
• soured
• tangy
• tartish
• pungent
• unsweetened
• zesty
• astringent
• zingy
• zestful
• puckery
• sharp
• hyperacid

Antonyms & Near Antonyms

• sweet
• smooth
• bland
• flat
• insipid
• tasteless
• thin
• weak
• watery
• dilute
• flavorless
• savorless
• zestless

2

as in sarcastic

marked by the use of wit that is intended to cause hurt feelings

her often acidic reviews have ruffled more than a few toques in the restaurant kitchens of New York

Synonyms & Similar Words

• acid
• sarcastic
• satiric
• barbed
• corrosive
• caustic
• biting
• acrid
• acidulous
• pungent
• acerbic
• sardonic
• tart
• mordant
• sharp
• scathing
• ironic
• cynical
• cutting
• harsh
• acerb
• sour
• snarky
• scalding
• smart-aleck
• smart-alecky
• dry
• blunt
• smart-mouthed
• concise
• spiky
• brisk
• incisive
• severe
• cross
• trenchant
• poignant
• vitriolic
• sourish
• wry
• bitter
• acrimonious
• flippant
• abrupt
• gruff
• facetious
• stringent
• sharp-tongued
• resentful
• keen
• tartish
• pithy
• crisp
• brusque
• succinct
• terse
• curt
• tongue-in-cheek
• rough
• insincere
• snippy
• backhanded
• snippety

Antonyms & Near Antonyms

• mild
• amusing
• playful
• gentle
• merry
• bland
• droll
• smooth
• diplomatic
• sportive
• waggish
• polite
• urbane
• cordial
• hospitable
• good-natured
• genial
• gracious
• affable
• suave
• good-humored
• sociable

Example Sentences

Recent Examples of acidic

The sandwich was herby and summery — a refreshing bite with the slightly acidic note of Morgana’s bread that elevated the bread well beyond anything from the store. — Sophie Lindberg, Kansas City Star, 17 July 2026

The Venus flytrap is native only to the coastal wetlands and bogs of North Carolina and South Carolina, and grows naturally in nutrient-poor, acidic, and perpetually wet areas. — Sj McShane, Martha Stewart, 14 July 2026

Earlier studies also showed that slightly acidic seawater from the BPMED process can accelerate algae growth, and allow future systems to simultaneously recover minerals while producing chemicals, fuels, fertilizers, and biomass. — Georgina Jedikovska, Interesting Engineering, 14 July 2026

Third, adding synthetic fertilizer makes soil more acidic, which can inhibit arbuscular mycorrhizal fungi and mycelial development. — Esther Ndumi Ngumbi, The Conversation, 8 July 2026