burnout

[ burn-out ]
/ ˈbɜrnˌaʊt /

noun

a fire that is totally destructive of something.
Also burn-out. fatigue, frustration, or apathy resulting from prolonged stress, overwork, or intense activity.
Rocketry.
  1. the termination of effective combustion in a rocket engine, due to exhaustion of propellant.
  2. the end of the powered portion of a rocket's flight.
Electricity. the breakdown of a lamp, motor, or other electrical device due to the heat created by the current flowing through it.

QUIZZES

THIS WEEK’S WORD OF THE DAY QUIZ IS POSITIVELY FELICIFIC

Do you study our Words of the Day with great assiduity? See how many you remember from March 30 to April 5!
Question 1 of 7
transliterate

Origin of burnout

First recorded in 1900–05; noun use of verb phrase burn out
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for burnout