unsusceptible
Resistant to influence
Unsusceptible means not likely to be affected or influenced by something.
A person unsusceptible to flattery won't be swayed by compliments.
Someone unsusceptible to a disease has natural resistance.
He remained unsusceptible to her charms.
The word is formal; in everyday speech, people more often say immune or resistant.
Not yet believing
- unswayedNot influenced or moved
- unbendingRefusing to change position
- steadfastFirmly loyal, unshakeable
- resoluteFixed in purpose
firm · unwavering · impervious · unyielding · resistant · immune · proof · incorruptible
Not stirred physically/emotionally
- unaffectedNot changed or influenced
- indifferentLacking interest or concern
- stoicUncomplaining endurer of hardship
- impassiveWithout visible emotion
detached · aloof · dispassionate · unperturbed · unfazed · cool · composed · unresponsive
Impossible to pass through
- impermeableCannot be penetrated
- sealedClosed to prevent entry
- hermeticImpenetrably closed off
- watertightPrevents liquid from passing
airtight · protected · shielded · insulated · barrier · fortified · unbreachable · proof
Protected from harm
- resistantWithstanding external forces
- antibodiesProteins targeting pathogens
- vaccinationAdministered immunity booster
- immunizationProtective medical injection
pathogen · antigen · infection · disease · contagion · virus · bacteria · allergen
unconvinced
Not yet believing
- unswayedNot influenced or moved
- unbendingRefusing to change position
- steadfastFirmly loyal, unshakeable
resolute · firm · unwavering · impervious · unyielding · resistant · immune · proof · incorruptible · untempted
unmoved
Not stirred physically/emotionally
- unaffectedNot changed or influenced
- indifferentLacking interest or concern
- stoicUncomplaining endurer of hardship
impassive · detached · aloof · dispassionate · unperturbed · unfazed · cool · composed · unresponsive · insensitive
impenetrable
Impossible to pass through
- impermeableCannot be penetrated
- sealedClosed to prevent entry
- hermeticImpenetrably closed off
watertight · airtight · protected · shielded · insulated · barrier · fortified · unbreachable · proof · resistant
immunity
Protected from harm
- resistantWithstanding external forces
- antibodiesProteins targeting pathogens
- vaccinationAdministered immunity booster
immunization · pathogen · antigen · infection · disease · contagion · virus · bacteria · allergen · toxin
unsusceptiblesusceptible
Easily influenced or harmed
vulnerable · liable · subject · exposed · open
unsusceptiblepersuadable
Able to be convinced
suggestible · impressionable · convincible · tractable · persuasible
unsusceptiblesusceptible
Easily influenced or harmed
nonimmune · vulnerable · allergic · hypersensitive · sensitive