different between perfunctorily vs deliberately

English

perfunctory +? -ly

perfunctorily (comparative more perfunctorily, superlative most perfunctorily)

In a perfunctory manner, without interest or concern for quality.
- And it was while all were passionately intent upon the pleasing and snake-like progress of their uncle that a young girl in furs, ascending the stairs two at a time, peeped perfunctorily into the nursery as she passed the hallway—and halted amazed.

deliberate +? -ly

deliberately (comparative more deliberately, superlative most deliberately)

Intentionally, or after deliberation; not accidentally.
He deliberately broke that, didn't he?
Taking one's time, slowly and carefully.
After being called upon, he strode deliberately up to the blackboard.

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