Meanings
adverbinfectiously (comparative more infectiously, superlative most infectiously)
comparative more infectiously · superlative most infectiously
- In an infectious manner.
Synonyms & antonyms
adverbin a contagious manner
Similar
Also see
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
- Englishinfectious
- Proto-Indo-European*leyg-
- Proto-Germanic*līką
- Englishinfectiously
From infectious + -ly.
Full word history & related roots →Cite this entry
APA
infectiously. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/infectiously
MLA
“infectiously.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/infectiously. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “infectiously,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/infectiously.
Source: infectiously on Wiktionary, CC BY-SA 4.0.