1 of a bird : to use the beak to clean and arrange feathers [+ obj] ▪ The bird was preening its feathers. = The bird was preening itself. [no obj] ▪ The bird was preening. 2 : to make (yourself) neat and tidy [+ obj] ▪ She stood preening herself in front of the mirror. [no obj] ▪ She stood preening in front of the mirror. 3 disapproving : to act in a way that shows you are very proud about something or pleased with yourself [no obj] ▪ The award-winners were preening backstage. [+ obj] ▪ They are preening themselves on their success.





