susceptible to (something)
1. Easily influenced or impressed by something. The poor fellow has always been susceptible to the honeyed words of young women. You'll find that the board of directors is not susceptible to persuasion once they have made a decision.
2. Liable to contract or be afflicted by something. I was always susceptible to asthma and pneumonia as a child, so I spent most of my time indoors. Children, the elderly, and people with compromised immune systems are especially susceptible to the 'flu, so we always recommend that they receive a vaccination each year heading into winter.
3. Very sensitive to or easily irritated by something. The strong medication ended up damaging the lining in my stomach, making me very susceptible to alcohol and spicy food. My mother is susceptible to certain kinds of laundry detergent, which makes it very unpleasant for her to stay in hotels or other people's homes.
4. Admitting, yielding readily to, or capable of some specific treatment. The cancer is no longer susceptible to radiation, so I'm afraid our options are limited. Because of its allegorical nature, the novel is susceptible to a wide variety of interpretations.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
susceptible to something
1. easily persuaded; easily influenced. The students were susceptible to the allure of drugs. The young revolutionaries were susceptible to propaganda.
2. likely to contract a sickness; likely to become sick. People with AIDS are susceptible to pneumonia. Infants and the elderly are more susceptible to illness than other people.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.