mendacious
C1CEFR level
80/100Rarity: very rare
FormalRegister
General adjective
Habitually dishonest and given to telling lies.
His mendacious account of the accident collapsed the moment witnesses spoke.
Medicine adjective
Given to lying or containing deliberate falsehoods.
The consultant suspected the informant's account was mendacious rather than merely mistaken.
Law adjective
Given to lying; not truthful.
The tribunal found the claimant's account to be mendacious and self-serving.
Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.
Get words like mendacious on your lock screen, a few a day, with review that makes them stick.
Download on the App Store Lexfall puts a new word on your home and lock screen through widgets, so you learn without opening an app. Free to download. After a free trial, a subscription unlocks every field. Built for iPhone, iOS 15.1 or later.
On a computer?Scan with your iPhone camera.