Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary
1

chaperone

noun chap·er·one \ˈsha-pə-ˌrōn\

Simple Definition of chaperone

  • : someone (such as a teacher or parent) who goes with children on a trip or to a school dance to make sure that the children behave properly

  • : a person in the past who went with a young unmarried woman to social events in order to make sure that the woman behaved properly

Source: Merriam-Webster's Learner's Dictionary

Full Definition of chaperone

  1. 1 :  a person (as a matron) who for propriety accompanies one or more young unmarried women in public or in mixed company

  2. 2 :  an older person who accompanies young people at a social gathering to ensure proper behavior; broadly :  one delegated to ensure proper behavior

  3. 3 :  any of a class of proteins that facilitate the proper folding of proteins by binding to and stabilizing unfolded or partially folded proteins —called also molecular chaperone

Examples of chaperone in a sentence

  1. I was a chaperone on one of my son's school trips.



Variants of chaperone

or chaperon play \ˈsha-pə-ˌrōn\

Origin of chaperone

French chaperon, literally, hood, from Middle French, head covering, from chape


First Known Use: 1720


2

chaperone

verb chap·er·one

Simple Definition of chaperone

  • : to be a chaperone to or for (someone or something)

Source: Merriam-Webster's Learner's Dictionary

Full Definition of chaperone

chaperonedchaperoning

  1. transitive verb
  2. 1 :  escort

  3. 2 :  to act as chaperone to or for <chaperone a dance> <chaperoning teenagers>

  4. intransitive verb
  5. :  to act as a chaperone

chaperonage play \-ˌrō-nij\ noun

Examples of chaperone in a sentence

  1. Two parents chaperoned the children.

  2. My mom always chaperoned the school dances.



1796

First Known Use of chaperone

1796

Variants of chaperone

or chaperon

CHAPERONE Defined for Kids

1

chaperone

play
noun chap·er·one \ˈsha-pə-ˌrōn\

Definition of chaperone for Students

  1. :  a person who goes with and is responsible for a group of young people



Variants of chaperone

or chaperon \ˈsha-pə-ˌrōn\

2

chaperone

play
verb chap·er·one

Definition of chaperone for Students

chaperonedchaperoning

  1. :  to go with and supervise a group of young people :  act as a chaperone <Several parents chaperoned the school dance.>



Variants of chaperone

or chaperon

Medical Dictionary

chaperone

play
noun chap·er·one \ˈshap-ə-ˌrōn\

Medical Definition of chaperone

  1. :  any of a class of proteins (such as heat shock proteins and chaperonins) that facilitate the proper folding of proteins by binding to and stabilizing unfolded or partially folded proteins <As the proteins are produced, molecules called chaperones fold them into the three-dimensional form they are supposed to take.—Andres M. Lozano et al., Scientific American, July 2005>—called also



Variants of chaperone

or chaperone protein


Seen and Heard

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

WORD OF THE DAY

a smart aleck

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image567572573

Which of these is a synonym of unctuous?

angry prompt maudlin oily
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ