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Webster 1828 Edition

Imperceptibly

IMPERCEP'TIBLY

,

adv.

In a manner not to be perceived.

Definition 2024

imperceptibly

imperceptibly

English

Adverb

imperceptibly ‎(comparative more imperceptibly, superlative most imperceptibly)

Not noticeably, too small to be detected, too little to be perceived.
No one noticed that he moved imperceptibly backwards.

Translations

not noticeably

Catalan: imperceptiblement
Finnish: huomaamatta, huomaamattomasti
French: imperceptiblement (fr)

Russian: незаме́тно (ru) ‎(nezamétno), незначи́тельно (ru) ‎(neznačítelʹno)
Spanish: imperceptiblemente