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

In the midst of a rich meal, something fresh and acidic keeps your taste buds awake. — Rebecca Firkser, Bon Appetit Magazine, 2 Nov. 2026

The Sukhothai-style tom yum noodle soup is a must-order, and encapsulates the best of Thai noodle soups with a deeply savory-acidic broth topped with bouncy fish cakes, meatballs, and rice noodles. — Ali Domrongchai, Condé Nast Traveler, 2 Nov. 2026

Pair it with balsamic vinegar or other sweet and acidic ingredients that play up its flavor. — Ryan Brennan, Charlotte Observer, 2 Nov. 2026

Nitric acid dissolves solid silver into silver ions, leaving recyclers with toxic nitrogen oxide emissions, acidic wastewater streams, and a complex chemical recovery process. — Mrigakshi Dixit, Interesting Engineering, 29 Oct. 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