on a whim
Without thinking seriously about the consequences.
Germany’s government said press freedom must not be switched “on and off on a whim” and Downing Street also raised concerns over the suspensions.
ADJ
sudden
slightest
The children's afternoon plans changed at the slightest whim of their tired mother.
individual, personal
political
The mayor's decision to cancel the festival seemed like a political whim rather than a practical plan.
VERB + WHIM
indulge, pander to, satisfy | be subject to, be vulnerable to, depend on
suffer
The staff grew tired of suffering their boss's constant whims about how to organize the office.
PREP
at (sb's) ~
The manager hired and fired employees at his whim, making everyone feel insecure about their jobs.
on a ~
She decided to book a flight to Thailand on a whim and left the next day.
PHRASES
your every whim
Her wealthy grandmother seemed happy to satisfy your every whim whenever you visited.