unflappable

[ uhn-flap-uh-buhl ]

adjective

1. not easily upset or confused, especially in a crisis; imperturbable.

unflappable

/ ʌnˈflæpəbəl /

adjective

1. informal.
   hard to upset; imperturbable; calm; composed

Derived Forms

• unˌflappaˈbility, noun
• unˈflappably, adverb

Other Words From

• un·flappa·bili·ty noun
• un·flappa·bly adverb

Word History and Origins

Origin of unflappable¹

First recorded in 1950–55; un- ¹ + flap + -able

Example Sentences

Nowak is a steady, unflappable volunteer who shows up every Saturday and Sunday from 8 a.m. to noon to make sure the work is completed properly.

From Los Angeles Times

Despite the peril, the unflappable Williamson continued from his 93 in the first innings.

From BBC

He then selected the unflappable Walker Buehler to close out things in the ninth.

From Los Angeles Times

A team of young, unflappable characters is a positive, but sometimes you need players to take the game by the scruff of the neck.

From BBC

Smith, with his solid technique and unflappable temperament, could be England’s long-term answer at number three, leaving the gloves with Cox in the process.

From BBC

Related Words

• composed
• impassive
• nonchalant
• relaxed
• self-possessed
• unruffled