on shaky ground
phrase
: 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.
Cite this Entry
“On shaky ground.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/on%20shaky%20ground. Accessed 13 Mar. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
