ruffle
verb /ˈrʌfl/
  /ˈrʌfl/
Verb Forms
Idioms | present simple I / you / we / they ruffle |  /ˈrʌfl/  /ˈrʌfl/ | 
| he / she / it ruffles |  /ˈrʌflz/  /ˈrʌflz/ | 
| past simple ruffled |  /ˈrʌfld/  /ˈrʌfld/ | 
| past participle ruffled |  /ˈrʌfld/  /ˈrʌfld/ | 
| -ing form ruffling |  /ˈrʌflɪŋ/  /ˈrʌflɪŋ/ | 
- to alter the smooth surface of something, so that it is not even- ruffle something She ruffled his hair affectionately.
- A light breeze ruffled the surface of the lake.
- ruffle something up The bird ruffled up its feathers.
 
- [often passive] ruffle somebody to make somebody annoyed, worried or upset synonym fluster- Nothing ever seems to ruffle Susan.
- She was obviously ruffled by his question.
- He never gets ruffled, even under pressure.
 
Word OriginMiddle English (as a verb): of unknown origin. Current noun senses date from the late 17th cent.
Idioms 
ruffle somebody’s/a few feathers 
- (informal) to annoy or upset somebody or a group of people- The senator's speech ruffled a few feathers in the business world.
 
smooth (somebody’s) ruffled feathers 
- to make somebody feel less angry or offended