improvisation

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Idioms (4)

play it by ear
CEFR B2

To deal with a situation as it develops rather than following a fixed plan.

Informal
on the fly
CEFR B2

while something is happening, without prior preparation

Neutral
by the seat of your pants
CEFR C1

to do something by instinct and improvisation rather than by plan

Informal
off the cuff
CEFR B2

said without preparation

Informal