Also found in: Thesaurus.
Related to flightily: ostentatious
adj. flight·i·er, flight·i·est
a. Given to capricious or unstable behavior.
b. Characterized by irresponsible or silly behavior.
2. Easily excited; skittish.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.