little brother/sister

noun

Definition of little brother/sister

: a brother/sister who is younger than one

Learn More about little brother/sister

Statistics for little brother/sister

Cite this Entry

“Little brother/sister.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/little%20brother%2Fsister. Accessed 25 Oct. 2020.

Comments on little brother/sister

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

WORD OF THE DAY

Test Your Vocabulary

Namesakes Word Quiz

  • a citrus fruit possibly named after a person
  • Which of the following is a fruit named after a Moroccan seaport?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Syn City

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!