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Definition/Meaning

(adjective)

not easily confused or upset, or displaying calmness, especially in a crisis;

e.g. He has shown unflappable behavior in this difficult time.

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Similar Words

Even-keeled

Imperturbable

Loosey-goosey

Nerveless

Permissive

Relieved

Self-applauding

Self-contained

Self-poised

Stone-faced

Unexcitable

Unmoved

Unselfconscious

Unsentimental

Unshakable

Well-adjusted

Well-balanced

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Opposite Words

Aflutter

Anxious

Boisterous

Carnival

Edgy

Excitable

Hyperactive

Jittery

Jumpy

Knockabout

Nervous

Nervy

Perturbed

Rambunctious

Raucous

Rollicking

Rowdy

Shaky

Skittish

Spasmodic

Spooky

Tense

Troubled

Uneasy

Unglued

Upset

Uptight

Worried

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Related Words

Affable

Affectless

Apathetic

Assured

Breezy

Calm

Cold-blooded

Collected

Composed

Confident

Cool

Coolheaded

Devil-may-care

Easygoing

Emotionless

Equal

Happy-go-lucky

Icy

Impassive

Laid-back

Level

Limpid

Low-pressure

May

Mellow

Nonchalant

Numb

Peaceful

Phlegmatic

Placid

Possessed

Secure

Sedate

Self-asserting

Self-assured

Self-composed

Self-possessed

Serene

Smooth

Steely

Stoic

Stolid

Together

Tranquil

Undemonstrative

Undisturbed

Unemotional

Unperturbed

Unruffled

Unshaken

Untroubled

Unworried

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