phu·​goid | \ ˈfyüˌgȯid\

Definition of phugoid

: of, relating to, or representing variations in the longitudinal motion or course of the center of mass of an airplane in flight

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

History and Etymology for phugoid

irregular from Greek phygē act of fleeing, avoidance, flight + English -oid; akin to Greek pheugein to run away, flee

Keep scrolling for more

Learn More about phugoid

Statistics for phugoid

Look-up Popularity

Comments on phugoid

What made you want to look up phugoid? Please tell us where you read or heard it (including the quote, if possible).


very full or close together

Get Word of the Day daily email!

Test Your Vocabulary

What did you just call me?! A Quiz

  • rows-of-various-emoji
  • If a member of the audience describes your speech as bombastic, does that person mean it is:
True or False

Test your knowledge - and maybe learn something along the way.

Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!