SKIP TO CONTENT

modal auxiliary

Definitions of modal auxiliary
  1. noun
    an auxiliary verb (such as `can' or `will') that is used to express modality
    synonyms: modal, modal auxiliary verb, modal verb
    see moresee less
    type of:
    auxiliary verb
    a verb that combines with another verb in a verb phrase to help form tense, mood, voice, or condition of the verb it combines with
Word Family
EDITOR’S CHOICE

Test prep from the experts

Boost your test score with programs developed by Vocabulary.com’s experts.

  • Proven methods: Learn faster, remember longer with our scientific approach.
  • Personalized plan: We customize your experience to maximize your learning.
  • Strategic studying: Focus on the words that are most crucial for success.

SAT/PSAT

$29.95
  • Number of words: 500+
  • Duration: 8 weeks or less
  • Time: 1 hour / week

TOEFL

$29.95
  • Number of words: 500+
  • Duration: 10 weeks or less
  • Time: 1 hour / week

ACT

$29.95
  • Number of words: 700+
  • Duration: 10 weeks
  • Time: 1 hour / week