Correct option is D
Option (d) is the correct meaning of the given idiom.
Mincing walk: This phrase describes a manner of walking in small, dainty, or affected steps, often suggesting delicacy or affectation. Example: The actress entered the room with a mincing walk, drawing everyone's attention. Other related idioms and their meanings:
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Walking on air: Feeling very happy or elated.
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Walking the plank: Being forced to resign or accept blame.