Numbers: quad, quar (four)

Learn this list of words derived from quad and quar meaning "four."
13 words 21 learners

Learn words with Flashcards and other activities

Definition First
Print Flashcards

Other learning activities

Answer a few questions about each word. Use this to prep for your next quiz! Compete with other teams in real time to see who answers the most questions correctly! Test your spelling acumen. Read the definition, listen to the word and try spelling it!

Teaching tools

Create and assign quizzes to your students to test their vocabulary. Assign learning activities including Practice, Vocabulary Jams and Spelling Bees to your students, and monitor their progress in real-time.

Full list of words from this list:

words only definitions & notes
  1. quarter
    one of four equal parts
  2. quarters
    housing available for people to live in
  3. quarterback
    the football player who directs the team's offensive play
  4. quarterly
    of or relating to a period of three months
  5. quartet
    a musical composition for four performers
  6. quartermaster
    an officer who provides clothing and subsistence for troops
  7. quadruped
    an animal especially a mammal having four limbs
  8. quadrangle
    a four-sided polygon
  9. quadruple
    having four units or components
  10. quadrant
    any of the four areas into which a plane is divided
  11. quadrennial
    relating to or lasting for four years
  12. quadrilateral
    a four-sided polygon
  13. quadratic
    of or relating to the second power
Created on Sat Jan 03 15:26:27 EST 2026 (updated Fri Mar 20 16:03:49 EDT 2026)

Sign up now (it’s free!)

Whether you’re a teacher or a learner, Vocabulary.com can put you or your class on the path to systematic vocabulary improvement.