have a mind of its own
mainly humorousA machine or other object can be said to have a mind of its own if it seems to be controlling the way it behaves or moves, independently of the person using it:
This shopping trolley has a mind of its own.
Thesaurus: synonyms and related words
Uncontrolled
- all hell breaks loose idiom
- amok
- amuck
- cut loose idiom
- extravagant
- like mad idiom
- mad
- maniacal
- out of hand idiom
- rampant
- raw
- rebellious
- spin
- spiral
- tearaway
- unbridled
- unchecked
- uncontrollable
- unmanageable
- wildfire
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