What does flunking mean?
Flunking is the act of failing — most often failing a test, a course, or an entire program of study. It is the gerund form of the verb 'flunk', an informal North American term that arose in nineteenth-century America, likely in college settings, and quickly became the colloquial shorthand for academic failure. To say someone is 'flunking' implies more than a single poor grade: it suggests a sustained pattern of underperformance, while the vivid phrase 'flunking out' describes dismissal from school altogether. The word carries a blunt, slightly stigmatizing connotation, which is why it thrives in everyday conversation, journalism, and campus culture but rarely appears in formal academic documents, where the neutral term 'failing' is standard. Outside education, 'flunking' can extend loosely to any failed evaluation, such as a driving test or audition. Its punchy sound and unmistakable meaning have kept it firmly embedded in American English.
noun (gerund of the verb flunk)The action of failing a test, course, or other evaluation, especially in an academic setting. As a gerund form of the verb 'flunk', it can also refer to the ongoing act of performing so poorly as to fail.
- The act or instance of failing an examination, course, or evaluation (gerund of 'flunk').
- The act of failing out of a school or program entirely ('flunking out').
"His flunking of the bar exam came as a shock to everyone who knew his class rank."
"She spent the semester flunking quizzes before finally turning things around."
"After months of flunking every practice exam, he hired a tutor and passed on his next attempt."
'Flunk' is one of those words America invented for the classroom — and it may have started life as a blend or twist of older verbs like 'flinch' or 'funk'.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of flunking
The verb 'flunk' emerged in the United States in the mid-nineteenth century, apparently among college students, where it came to mean failing an examination or being dismissed for academic failure. Its ultimate origin is uncertain: etymologists have proposed connections to 'flinch', 'funk', or other words suggesting shrinking back or cowering, but no single derivation has been firmly established. 'Flunking' is simply the present-participle and gerund form of this American invention, and the word remains chiefly confined to North American usage.
Related word forms
How flunking is actually used
'Flunk' and its gerund 'flunking' are informal, chiefly North American terms; in British English, 'failing' is the standard equivalent. The phrase 'flunking out' specifically means being dismissed from a school due to academic failure. Because it is casual in tone, avoid 'flunking' in formal academic writing, where 'failing' is preferred.
Easily confused with flunking
'Fluking' means succeeding by sheer luck (from 'fluke', an unlikely chance occurrence), while 'flunking' means failing outright.