Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

principal parts

noun plural

Simple Definition of principal parts

  • grammar : the main forms of a verb

Full Definition of principal parts

  1. :  a series of verb forms from which all the other forms of a verb can be derived including in English the infinitive, the past tense, and the present and past participles

1870

First Known Use of principal parts

1870


PRINCIPAL PARTS Defined for Kids

principal parts

noun plural

Definition of principal parts

  1. :  the infinitive, the past tense, and the past and present participles of an English verb




Seen and Heard

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

WORD OF THE DAY

February 12, 2016

of, relating to, or suggestive of marble

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image33683556

How much does a batman (the Turkish unit of measurement) weigh?

100 pounds 196.5 pounds 16.96 pounds 2.2 pounds
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ