1. Easily influenced or affected: Is he susceptible to persuasion? I'm very susceptible to colds.
2. Especially sensitive; highly impressionable: a susceptible child.
3. Permitting an action to be performed; capable of undergoing something: a statement susceptible of proof; a disease susceptible to treatment.
[Late Latin susceptibilis, from Latin susceptus, past participle of suscipere, to receive : sub-, from below; see SUB- + capere, to take; see kap- in the Appendix of Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The American Heritage Dictionary Blog
Check out our blog, updated regularly, for new words and revised definitions, interesting images from the 5th edition, discussions of usage, and more.