unfluttered

English

Etymology

From un- +‎ fluttered.

Adjective

unfluttered (comparative more unfluttered, superlative most unfluttered)

1. Not fluttered.
   • 1956, Theatre, page 38:

     This actress can drive at the heart as few others can: but my heart, for once, remained unfluttered. The performance of Gwendoline Watford as the real queen was, on the other hand, extremely effective.