insusceptible

[ in-suh-sep-tuh-buh l ]

/ ˌɪn səˈsɛp tə bəl /

not susceptible; incapable of being influenced or affected (usually followed by of or to): insusceptible of flattery; insusceptible to infection.

Origin of insusceptible

First recorded in 1595–1605; in-³ + susceptible

in·sus·cep·ti·bil·i·ty, noun in·sus·cep·ti·bly, adverb

Life itself is insusceptible of any definition which satisfies, but we know that we live, nevertheless.

A Little Book for Christmas |Cyrus Townsend Brady
They knew Mrs. Hilary to be a muddled bigot, whose mind was stuffed with concrete instances and insusceptible of abstract reason.

Dangerous Ages |Rose Macaulay
Insusceptible, in-sus-sep′ti-bl, adj. not susceptible: not capable of feeling or of being affected—also Insuscep′tive.

Chambers's Twentieth Century Dictionary (part 2 of 4: E-M) |Various
It fell upon his ear with many tones of tenderness, that were not insusceptible of the new meaning.

Little Dorrit |Charles Dickens

It is insusceptible of rust, as gold and silver are, none of the acids affecting it, excepting the aqua regia.

Memoir, Correspondence, And Miscellanies, From The Papers Of Thomas Jefferson |Thomas Jefferson

insusceptible

/ (ˌɪnsəˈsɛptəbəl) /

(when postpositive, usually foll by to) not capable of being affected (by); not susceptible (to)

insusceptibility, noun insusceptibly, adverb