Definitions

cool as a cucumber

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placid adj.
serene adj.

ADJECTIVE

placid

Synonyms

STRONGEST

easygoing even-tempered gentle peaceful quiet serene tranquil

WEAK

collected composed cool detached equable even halcyon hushed imperturbable irenic poised restful self-possessed still

Antonyms

STRONGEST

agitated clamorous disturbed excited loud noisy troubled turbulent violent wild

ADJECTIVE

serene

Synonyms

STRONGEST

comfortable composed cool easygoing laid-back peaceful placid poised quiet sedate smooth tranquil unflappable

WEAK

at peace clear collected content dispassionate easy fair halcyon imperturbable limpid patient pellucid phlegmatic quiescent reconciled resting satisfied self-possessed still stoical unruffled untroubled

Antonyms

STRONGEST

agitated annoyed clamorous excited loud nervous noisy poor turbulent uncool upset violent worried

WEAK

disturbed troubled

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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cool as a cucumber

“I’m feeling cool as a cucumber in those moments,” Nolan recalled in a recent interview.

From The Wall Street Journal ● Jul. 20, 2026

"She's really tough to play, she has a massive serve, big groundstrokes, cool as a cucumber, you get nothing out of her," said Pegula.

From Barron's ● Jan. 28, 2026

They found the faulty part, did the maintenance and we are now cool as a cucumber.

From Seattle Times ● Aug. 11, 2023

It was 130 degrees, but Kari Lake was cool as a cucumber.

From BBC ● Nov. 10, 2022

Shorty just smiled, cool as a cucumber in spite of a split lip.

From "The Milagro Beanfield War" by John Nichols

cool as a cucumber

Example Sentences

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