needn't

contraction \ ˈnē-dᵊnt \

Definition of needn't

: need not

First Known Use of needn't

1778

in the meaning defined above

See Words from the same year
NEW! Time Traveler

NEEDN'T Defined for Kids

needn't

\ ˈnē-dᵊnt \

Definition of needn't for Students

: need not

Learn More about needn't


Seen and Heard

What made you want to look up needn't? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

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

WORD OF THE DAY

to treat with excessive attention

Get Word of the Day daily email!

Test Your Vocabulary

Odd Habits and Quirks Quiz

  • image1926873504
  • Which of the following best describes an easily irritated person?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Add Diction

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

TAKE THE QUIZ

Love words? Need even more definitions?

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