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Definition of mendaciously
mendaciously
/mɛnˈdeɪ.ʃəs.li/
men · da · cious · ly
Adjective:mendacious
mendaciously Lexical Profile
CEFR
C2
Grade
13
Tier
2
Usage
Rare
Syllables
4
mendaciously Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• adverb
1
In a lying, untruthful, or deliberately deceitful manner.
Example
"The witness testified mendaciously during the inquiry, deliberately misleading the committee about the timeline of events."
Synonyms
View all synonyms for mendaciously Antonyms
View all antonyms for mendaciously• Rhymes for mendaciously
Word Origin & Etymology
Formed from the adjective mendacious plus the adverbial suffix -ly, ultimately deriving from the Latin word mendax ('lying, deceitful'), which is related to mendum ('fault, blemish').
Cite this Entry
Wordmom. (2026). Definition of Mendaciously. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/mendaciously