Definition of on shaky ground
- Their marriage is on shaky ground.
- His argument/theory rests on shaky ground.
: characterized by shakes
: lacking stability : precarious
: lacking in firmness (as of beliefs or principles)
: the bottom of a body of water
: ground coffee beans after brewing
: to bring to or place on the ground
: to cause to run aground
: to provide a reason or justification for
: past tense and past participle of grind
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