In a flurried manner; in a state of confused haste or nervous agitation.
From 'flurried' plus '-ly' (adverb suffix), formed in 19th-century English to describe actions done in a flustered state.
This adverb perfectly captures the quality of motion when someone is flustered—it's not just 'quickly' or 'hastily,' but specifically the rushed confusion of someone trying to do multiple things while their nerves are frayed.
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