1. intr. To become smooth or tranquil.
1697. Dryden, Æneis, I. 212. Where ere he guides His finny Coursers, The Waves unruffle, and the Sea subsides.
1871. [see UNRUFFLING ppl. a.2]
2. trans. To restore from a ruffled state.
1827. Lamb, Wifes Trial, Wks. 1908, II. 805. A witch can by a backward charm Unruffle the foul storm she has just been raising.
1833. Lady Granville, Lett. (1894), II. 148. This does not seem to unruffle Dollys plumes.