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Webster 1828 Edition

adv.

On the surface only; as a substance superficially tinged with a color.

On the surface or exterior part only; without penetrating the substance or essence; as, to survey things superficially.

Without going deep or searching things to the bottom; slightly. He reasons superficially.

I have laid down superficially my present thoughts.

superficially ‎(comparative more superficially, superlative most superficially)

in a superficial manner