"Improficiency" is a word in ENGLISH
improficiency
ENGLISH
Definition:
Want of proficiency.
WORD SUGGESTIONS
Laugh your heart out.
Why does the Philippines ban rectal thermometers? They cause too much brain damage.
nonproficiency
ENGLISH
Want of proficiency; failure to make progress.
Read the complete definitionunproficiency
ENGLISH
Want of proficiency or improvement.
Read the complete definition