In a dozy manner; in a sleepy, drowsy, or half-awake way.
From 'dozy' (sleepy) plus the adverbial suffix '-ly,' which converts adjectives into adverbs describing how an action is done. Follows standard English adverb formation patterns.
When you move or speak 'dozily,' you're doing it in a slow, sleepy way—but 'dozily' itself is a fun word to say because it has so many z's in a row!
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