acidic

adjective

acid·​ic ə-ˈsi-dik 

a-

1

: acid-forming

2

: acid

Synonyms of acidic

• acid
• sour

Examples of acidic in a Sentence

The soil in our garden is very acidic.

the acidic water of a polluted lake

Recent Examples on the Web

Clean granite with mild dish soap, warm water, and a soft cloth; avoid acidic cleaners like vinegar or lemon. — Caitlin Sole, Better Homes & Gardens, 4 Aug. 2026

The magic is the schug (a vibrant blend of spicy Italian long peppers, garlic and herbs) and tomato seeds that add an acidic kick. — Connie Ogle july 31, Miami Herald, 31 July 2026

Broccoli will thrive better in slightly acidic to neutral soil. — Lee Wallender, The Spruce, 31 July 2026

Inspired by Celine’s spring/summer 2026 runway, look to acidic yellow and cobalt blue as a compelling duo for your weekend wardrobe. — Minty Mellon, Vogue, 30 July 2026

Word History

Etymology

acid entry 1 + -ic entry 1

First Known Use

1866, in the meaning defined at sense 1

Rhymes for acidic

• davidic
• fluidic
• hasidic

Kids Definition

acidic

adjective

acid·​ic ə-ˈsid-ik 

a-

1

: acid-forming

2

: acid

Medical Definition

acidic

adjective

acid·​ic ə-ˈsid-ik, a- 

1

: acid-forming

2

: acid