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Browse the Dictionary:: A; B; C; D; E; F; G; H; I; J; K; L; M; N; O; P; Q; R; S; T; U; V; W; X; Y; Z; #

infectious

Entry Word:: infectious
Function:: adjective

Text: exciting a similar feeling or reaction in others<an infectious giggle that got the whole class laughing>— see contagious 2

Learn more about "infectious" and related topics at Britannica.com

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See a map of "infectious" in the Visual Thesaurus