unflappable

Mane (Îngilîzî)

Remaining composed and level-headed at all times; impossible to fluster; not becoming frustrated or irritated easily.

Berevajî

flappable

Hevwate

imperturbable

calm

composed

cool

🆒

detached

easy

equable

equanimous

even-tempered

laid-back

lazy

level-headed

orderly

pacific

peaceful

sedate

serene

stoic

tranquil

uneventful

unexcitable

unexcited

unhurried

unprovocative

unangry

at rest

unprovoking

Werger

unerschütterlich

imperturbable

inébranlable

şaşmaz

soğukkanlı

🆒

temkinli

imperturbável

impertorbable

imperturbable

olimpico

صعب الاستثارة

tranquilo

Wekî (IPA) tê bilêvkirin

/ʌnˈflæpəbəl/

Etîmolojî (Îngilîzî)

From un- + flap (“to upset, stir”) + -able.