wind·y1 / ˈwindē/ • adj. (wind·i·er, wind·i·est) 1. (of weather, a period of time, or a place) marked by or exposed to strong winds: a very windy day. ∎ resembling the wind in sound or force: Pratt's sigh was windy.2. Brit. suffering from, marked by, or causing an accumulation of gas in the alimentary canal. ∎ inf. using or expressed in many words that sound impressive but mean little: windy speeches.DERIVATIVES: wind·i·ly / -əlē/ adv.wind·i·ness n.wind·y2 / ˈwīndē/ • adj. (of a road or river) following a curving or twisting course.