unproficiency
Lack of proficiencyLack of proficiency.
Meaning
1 senses(uncountable)Lack of proficiency.
Origin
From un- + proficiency.From un- + proficiency.
Wiktionary, CC BY-SA 4.0 · source
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable