Word Pronunciation & Dictionary

mendacious

/mɛnˈdeɪʃəs/

Word Rarity Very rare

Frequency: Zipf frequency 2.06 in modern English

Syllables: men-da-cious
IPA: /mɛnˈdeɪʃəs/

15

Scrabble Score

10

Letters

3

Syllables

10

Unique Chars

Meaning

adj

Lying, untruthful or dishonest.

adj

False or untrue.

Example Sentences

"He was dismissed as a mendacious witness."
"mendacious propaganda"
"utterly mendacious"
"The report was filled with mendacious claims."

Etymology

Borrowed from Middle French mendacieux, from Latin mendācium (“lie, untruth”), from mendāx (“lying”), + -ious.

Origin

Source language: Middle French

Word Breakdown

Root: *men-, mendacieux, mendācium
Suffix: -ious

Inflected Forms

more mendacious (comparative) most mendacious (superlative)

Derived Forms

mendaciously mendaciousness unmendacious

Frequently Paired Words

mendacity

Synonyms

bastard counterfactual erroneous fallacious false off counterfeit fictitious inaccurate incorrect invented made up

Rhymes With

gracious spacious tenacious audacious ignatius herbaceous voracious flirtatious vivacious ostentatious fallacious efficacious

Questions

How do you pronounce mendacious?: The recorded pronunciation is /mɛnˈdeɪʃəs/.
What does mendacious mean?: Lying, untruthful or dishonest.
Where does mendacious come from?: It is traced to Middle French.

How to pronounce mendacious

Open the pronunciation page — Open the Speakur entry for “mendacious”.
Read the phonetic spelling — Read the IPA spelling (/mɛnˈdeɪʃəs/) so you know which sounds to aim for.
Play the audio — Click Play to hear reference audio for “mendacious”.
Repeat and practice — Say “mendacious” aloud, matching stress and vowels until it feels natural.