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Dud vs Valueless - What's the difference?

dud | valueless |

As a noun dud

is (informal) a device or machine that is useless because it does not work properly or has failed to work, such as a bomb, or explosive projectile.

As an adjective valueless is

having no value.

dud

English

Noun

(en noun)
  • (informal) A device or machine that is useless because it does not work properly or has failed to work, such as a bomb, or explosive projectile.
  • A lottery ticket that does not give a payout.
  • Something that doesn't function properly
  • * 2014 , A teacher, " Choosing a primary school: a teacher's guide for parents", The Guardian , 23 September 2014:
  • At the end of the day, the vast majority of primary schools are vibrant, friendly places and you may struggle to choose one because they all seem so great. Primary schools tend to have the feelgood factor. If you just aren't feeling it, this one's probably a dud .
  • (obsolete) Clothes, now always used in plural form duds.
  • A loser, an unlucky person
  • Synonyms

    * (losing lottery ticket) blank

    Anagrams

    * English palindromes ----

    valueless

    English

    Adjective

    (head)
  • Having no value.