attemper

transitive verb

at·​tem·​per

əˈtempə(r),

aˈ-

-ed/-ing/-s

1

obsolete : regulate, control, order

2

archaic

a

: soften, mitigate

b

: soothe, appease

3

a

archaic : to reduce, modify, or moderate by mixture

b

: to modify the temperature of : make (as air) warmer or colder

4

archaic : to make suitable : accommodate, adapt

5

archaic : to bring into harmony : attune

Word History

Etymology

Middle English attempren, from Middle French atemprer, from Latin attemperare to adjust, accommodate, from ad- + temperare to temper

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now