sibling rivalry

noun

Definition of sibling rivalry 

formal

: competition between brothers and sisters There was barely any sibling rivalry in our family.

Learn More about sibling rivalry

Share sibling rivalry

Statistics for sibling rivalry

Look-up Popularity

Keep scrolling for more

More Definitions for sibling rivalry

sibling rivalry

noun

Medical Definition of sibling rivalry 

: competition between siblings especially for the attention, affection, and approval of their parents

Comments on sibling rivalry

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

WORD OF THE DAY

exaggeratedly or childishly emotional

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Roman Mythology Quiz

  • the-triumph-of-venus-by-alessandro-magnasco
  • Boreal comes from the name of the ancient Greek god of which wind?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Word Winder's CrossWinder

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!