Inflected form: simple past tense and past participle of the verb "sharpen".
sharpenedpartizip perfekt Past participial adjective derived from the verb 'sharpen'.
The knife was sharpened and ready for use.
Нож был заточенный и готов к использованию.
The pencil had a sharpened tip.
Карандаш имел заостренный кончик.
‘sharpened’ is widely used attributively (e.g., “a sharpened pencil”) and functions as an adjective derived from the verb.