In a dronish manner; in a way that is characteristic of a drone, monotonous and uninspired.
From the adjective 'dronish' with the adverbial suffix '-ly.' This two-step word formation (drone + -ish + -ly) creates an adverb from a noun.
Adding '-ly' to 'dronish' creates this wonderfully layered word that sounds almost as tedious as the behavior it describes—it's a self-demonstrating word!
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