INFECTIOUSLY

contagiously, infectiously

(adverb) in a contagious manner; “she was contagiously bubbly”

Source: WordNet® 3.1

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Etymology

Adverb

infectiously (comparative more infectiously, superlative most infectiously)

In an infectious manner.

Source: Wiktionary

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In*fec"tious*ly, adv.

Definition: In an infectious manner. Shak.

INFECTIOUS

In*fec"tious, a. Etym: [Cf. F. infectieux.]

1. Having qualities that may infect; communicable or caused by infection; pestilential; epidemic; as, an infectious fever; infectious clothing; infectious air; infectious vices. Where the infectious pestilence. Shak.

2. Corrupting, or tending to corrupt or contaminate; vitiating; demoralizing. It [the court] is necessary for the polishing of manners . . . but it is infectious even to the best morals to live always in it. Dryden.

3. (Law)

Definition: Contaminating with illegality; exposing to seizure and forfeiture. Contraband articles are said to be of an infectious nature. Kent.

4. Capable of being easily diffused or spread; sympathetic; readily communicated; as, infectious mirth. The laughter was so genuine as to be infectious. W. Black.

Syn.

– See Contagious.

Source: Webster’s Unabridged Dictionary 1913 Edition

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