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on shaky ground

idiom

Definition of on shaky ground

: weak and likely to break down, collapse, or fail : not strong or well supported
  • Their marriage is on shaky ground.
  • His argument/theory rests on shaky ground.

Word by Word Definitions

shaky play

  1. : characterized by shakes

  2. : lacking stability : precarious

  3. : lacking in firmness (as of beliefs or principles)

See the full definition of shaky
ground play

  1. : the bottom of a body of water

  2. : sediment

  3. : ground coffee beans after brewing

  1. : to bring to or place on the ground

  2. : to cause to run aground

  3. : to provide a reason or justification for

  1. : past tense and past participle of grind

See the full definition of ground

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