/ ˈbʌsl; NAmE / verb , noun
■ verb
[+ adv. / prep. ] to move around in a busy way or to hurry sb in a particular direction :
[ v ]
She bustled around in the kitchen.
[ vn ]
The nurse bustled us out of the room.
■ noun
1.
[ U ] busy and noisy activity :
the hustle and bustle of city life
2.
[ C ] a frame that was worn under a skirt by women in the past in order to hold the skirt out at the back
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WORD ORIGIN
verb and noun sense 1 late Middle English : perhaps a variant of obsolete buskle , frequentative of busk prepare , from Old Norse .
noun sense 2 late 18th cent.: of unknown origin.