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

The Bongulo Paneer — cooked in bamboo — with a coconut and capsicum poriyal blends peanut chutney with acidic gongura sour cream and fiery gunpowder. — Heidi Finley, Charlotte Observer, 2 Oct. 2026

Other novelists have turned to acidic, class-conscious portraits of the underemployed—see Andrew Martin and Halle Butler. — Ryan Chapman, Literary Hub, 30 Sep. 2026

Wash silver serving ware and utensils with soap and water after using to keep the silver’s shine and remove acidic or sticky residue that can harm its surface. — Daley Quinn, Southern Living, 29 Sep. 2026

To set your lettuce up for success, plant it in an area with full sun and slightly acidic, well-draining soil. — The Spruce, 24 Sep. 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