mild

adjective

ˈmī(-ə)ld 

1

: gentle in nature or behavior

has a mild disposition

2

a(1)

: moderate in action or effect

a mild sedative

(2)

: not sharp, spicy, or bitter

mild cheese

mild ale

b

: not being or involving what is extreme

an analysis under mild conditions

3

: not severe : temperate

a mild climate

mild symptoms of disease

mildly

mī(-ə)l(d)-lē 

adverb

mildness

ˈmī(-ə)l(d)-nəs 

noun

Synonyms

• balmy
• clement
• equable
• genial
• gentle
• moderate
• soft
• temperate

Examples of mild in a Sentence

He has a mild manner.

He was a mild-mannered man who rarely became angry.

They had a mild disagreement.

She has a mild case of the flu.

He suffered a mild concussion attack.

a mild reprimand, not a stern one

We've been having a very mild winter.

Recent Examples on the Web

This treatment is mild and can be done daily.1 Doing this routine at night can give the vitamins and minerals a chance to affect skin tone.2 8. —Heather Jones, Verywell Health, 16 June 2025

Best Time to Visit According to Wicker, early fall is the best time to visit; the weather is mild—expect temperatures between the mid-60s and low 80s—the beaches are less crowded, and there are still plenty of opportunities to fish, kiteboard, and gather around a beach bonfire. —Lydia Mansel, Travel + Leisure, 16 June 2025

So, a little bit of cartilage fraying is very mild, but sometimes it's still labeled as arthritis. —Bobby Krivitsky, Forbes.com, 15 June 2025

The frequency of side effects was low, and most were reported as mild or moderate. —Lauryn Higgins, Flow Space, 12 June 2025

Word History

Etymology

Middle English, from Old English milde; akin to Greek malthakos soft, Latin mollis — more at melt

First Known Use

before the 12th century, in the meaning defined at sense 1

Phrases Containing mild

• mild steel

Rhymes for mild

• filed
• piled
• riled
• smiled
• styled
• tiled
• wild
• beguiled
• brainchild
• compiled
• defiled
• exiled

Kids Definition

mild

adjective

ˈmī(ə)ld 

1

: gentle in nature or behavior

a mild person

2

a

: not strong in action or effect

a mild drug

b

: not sharp, spicy, or bitter

a mild cheese

3

: not severe : temperate sense 5

mild weather

mildly

ˈmī(ə)l-(d)lē 

adverb

mildness

ˈmī(ə)l(d)-nəs 

noun

Medical Definition

mild

adjective

ˈmī(ə)ld 

1

: moderate in action or effect

a mild drug

2

: not severe

a mild case of the flu