fallacious

/fəˈleɪʃəs/fuh-LAY-shuhs

/fəˈleɪʃəs/fuh-LAY-shuhs

Meaningbased on a fallacy

Common meaning: false

Other meanings: misleading

fallto deceiveLewis & Short, Latin Dictionary (1879), p. 721 · scan
acinoun ending marking a quality or condition
ousadjective ending: full of, having

Journey through time

Latinfallō, fefellī, falsum‘to deceive’
Frenchfallace
Middle Englishfallacesource
Englishfallacy‘a mistaken belief or bad argument’
Englishformed in English from fallacyfallacious‘false’ · today

Sources & notes

Meaning: “Meaning” is the sense that emerges from the word’s roots; “Common meaning” is today’s everyday sense. Both written by us.

Pronunciation

UK IPA: converted from the US form by rule (unchecked). Respelling: generated.
No UK recording; the speaker uses your device’s en-GB voice.
US IPA: CMUdict (BSD-2), converted to IPA by rule. Respelling: generated.
No US recording; the speaker uses your device’s en-US voice.

Origin: Formed in English from fallacy + -ous.

Dictionary: Skeat (1898), FALLACY, p.203 · scan

Roots

fallō, fefellī, falsum Latin “to deceive”

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