strengthened

/ˈstɹɛŋθənd/

fe’l verb

To make strong or stronger; to add strength to; to increase the strength of; to fortify. strengthen a muscle
To empower; to give moral strength to; to encourage; to enhearten.
To augment; to improve; to intensify.
To grow strong or stronger.

Manbalar: Wiktionary (Free Dictionary API orqali), Datamuse, Tatoeba (CC BY 2.0 FR), MyMemory.