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

have a screw loose

Definition of have a screw loose

informal

  1. :  to be crazy <He acts like he has a screw loose.>



Word by Word Definitions

screwplay
  1. :  a simple machine of the inclined plane type consisting of a spirally grooved solid cylinder and a correspondingly grooved hollow cylinder into which it fits

    :  a nail-shaped or rod-shaped piece with a spiral groove and a slotted or recessed head designed to be inserted into material by rotating (as with a screwdriver) and used for fastening pieces of solid material together

    :  a screwlike form :  spiral

  1. :  to attach, fasten, or close by means of a screw

    :  to unite or separate by means of a screw or a twisting motion

    :  to press tightly in a device (as a vise) operated by a screw

looseplay
  1. :  not rigidly fastened or securely attached

    :  having worked partly free from attachments

    :  having relative freedom of movement

  1. :  to let loose (see 1loose):  release

    :  to free from restraint

    :  to make loose :  untie

  1. :  in a loose manner (see 1loose):  loosely


Seen and Heard

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

WORD OF THE DAY

to eat gluttonously or ravenously

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1926873504

Which of the following best describes an easily irritated person?

tetchy gregarious flashy superficial
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