UNFLAPPABLE

11 letters 20 Scrabble points /ʌnˈflæpəbəl/

Definition of UNFLAPPABLE

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

Related words: collected cool even-keeled

Source: Wiktionary

Word Details

Letters U N F L A P P A B L E
Length 11 letters
Scrabble Score 20 points