Word.ws English Dictionary

weak sister

weak sister noun: a person who is cowardly or indecisive.

Noun

weak sister (plural weak sisters)

  1. (US, derogatory, idiomatic) A person who is cowardly or indecisive.
    • "Your course of action this past year has bordered on criminal negligence," he barks to the man whose job he means to take. "You're a weak sister, Mr. President."1964, "Political Thriller" (film review of Seven Days in May), Time, Feb. 21
  2. (US, idiomatic) A person or thing which is the least robust or least dependable member of a group.
    • San Antonio has always been viewed as the weak sister of the big regional centers of Houston and Dallas.1991 May 20, Larry Reibstein, “A Mexican Miracle?”, in Newsweek
    Synonyms:
    sick man

Synonyms of weak sister

Forms of weak sister

pluralweak sisters

Questions about weak sister

What does weak sister mean?
Weak sister means a person who is cowardly or indecisive.
What part of speech is weak sister?
Weak sister is a noun.
What is the plural of weak sister?
The plural of weak sister is weak sisters.

Words near weak sister in the dictionary

  1. weak points
  2. weak pronoun
  3. weak reference
  4. weak references
  5. weak sauce
  6. weak sister
  7. weak sisters
  8. weak sore
  9. weak sores
  10. weak spot
  11. weak spots

Source and license

Adapted from Wiktionary: weak sister (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: En-au-weak sister.ogg.

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