unruffable

English

Etymology

From un- +‎ ruff +‎ -able.

Adjective

unruffable (comparative more unruffable, superlative most unruffable)

1. (archaic) imperturbable
   • 1836, Charles Dickens, The Pickwick Papers:

     Sam, with a due allowance for the frailties of human nature, obeyed all his master's behests with that imperturbable good-humour and unruffable composure which formed one of his most striking and amiable characteristics.

See also

• unrufflable