Susceptible

/[səˈsɛptɪbl̩]/ adj, noun

adj, noun ·Common ·High school level

Definitions

Noun
  1. 1
    A person who is vulnerable to being infected by a certain disease

    "In either instance a decrease in the number of susceptibles, by making the spread of virus less easy, tends towards a stage at which the infection dies out."

Adjective
  1. 1
    Likely to be affected by something.

    "He was susceptible to minor ailments."

  2. 2
    Easily influenced or tricked; credulous.
  3. 3
    Especially sensitive, particularly to a stimulus.
  4. 4
    That, when subjected to a specific operation, will yield a specific result.

    "Rational numbers are susceptible of description as quotients of two integers."

  5. 5
    Vulnerable.

    "The visitors were being pinned back by the end of the first half. Yet Gordon Strachan's side played with great conviction and always had a chance of springing a surprise when their opponents were so susceptible at the back."

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  1. 6
    Amenable.

    "In the next several chapters, we put the basic tools to work in different contexts with particular specification of return and transition equations designed to render the Bellman equation susceptible to further analysis and computation."

Adjective
  1. 1
    (often followed by ‘of’ or ‘to’) yielding readily to or capable of wordnet
  2. 2
    easily impressed emotionally wordnet

Synonyms

All synonyms
amenablefictileimpressionablepredisposedsuggestibletractable

Example

More examples

"They are susceptible to changes in fashion."

Etymology

From Late Latin susceptibilis, from Latin susceptus, from suscipiō.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.