- susceptible - (often followed by `of' or `to') yielding readily to or capable of; "susceptible to colds"; "susceptible of proof"
Antonyms: unsusceptible, insusceptible, immune, resistant, immunized, immunised, vaccinated, incapable, unpersuadable, unsuasible, unresponsive
- susceptible - easily impressed emotionally
Antonym: unimpressionable (indirect, via impressionable)