flunks;
flunked;
flunking
flunks;
flunked;
flunking
Britannica Dictionary definition of FLUNK
US, informal
1
:
to get a failing grade in (something, such as an examination or course)
:
fail
[+ object]
[no object]
2
[+ object]
:
to give a failing grade to (someone)
:
fail
flunk out
[phrasal verb]
US, informal
:
to be required to leave a school because you have failed your courses
—
often + of