Meaning · adjective
stupid, idiotic
- stupid, foolish, idiotic
- deficient or lacking (formal/technical sense)
In a sentence
Smettila di fare scherzi deficienti!
Stop playing idiotic pranks!
Non ascoltare quel tipo: è un comportamento davvero deficiente.
Don't listen to that guy: it's truly idiotic behavior.
Perché hai preso una decisione così deficiente?
Why did you make such a stupid decision?
Word forms (4)
| Word | Word forms |
|---|---|
| deficiente | masculine · singular |
| deficiente | feminine · singular |
| deficienti | masculine · plural |
| deficienti | feminine · plural |
Usage notes
- Informal: used as an insult meaning 'moron' or 'idiot'.
- Very often used as a noun: 'quel deficiente' (that idiot).
- Same form for masculine and feminine singular, ending in -i in the plural.