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- pronunciation:
- ihn
fek
sh
 s
- features:
- Word Combinations (adjective), Word Explorer
| part of speech: |
adjective |
| definition 1: |
capable of being transmitted by infection.
The passengers were kept in quarantine because their disease was infectious.- synonyms:
- communicable, contagious, transmissible
- similar words:
- catching, pestilent, septic, toxic, virulent
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| definition 2: |
easily communicated to and affecting others, as though by contagion.
The desk clerk's infectious smile brought a cheery expression to most of the guest's faces.- synonyms:
- catching, contagious
- similar words:
- communicable, compelling, epidemic, irresistible
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| derivations: |
infectiously (adv.), infectiousness (n.) |
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