Imperceptively vs. Imperceptibly

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Difference Between Imperceptively and Imperceptibly
Imperceptivelyadverb
(proscribed) imperceptibly
Imperceptiblyadverb
Not noticeably; too small to be detected; too little to be perceived.
No one noticed that he had moved imperceptibly backwards.Imperceptiblyadverb
in an imperceptible manner or to an imperceptible degree;
the power of the Secretary of State in London increased gradually but imperceptiblyADVERTISEMENT