strengthen Meaning, Definition & Usage

verb make strong or stronger
fortify; beef up.
- This exercise will strengthen your upper body
- strengthen the relations between the two countries
verb gain strength
- His body strengthened
verb give a healthy elasticity to
tone; tone up.
- Let's tone our muscles

imperfect & past participle Strengthened ; present participle & verbal noun Strengthening

To make strong or stronger; to add strength to; as, to strengthen a limb, a bridge, an army; to strengthen an obligation; to strengthen authority.
Let noble Warwick, Cobham, and the rest, . . . With powerful policy strengthen themselves. Shak.
To animate; to encourage; to fix in resolution.
Charge Joshua, and encourage him, and strengthen him. Deut. iii. 28.
Syn. -- To invigorate; confirm; establish; fortify; animate; encourage.

To grow strong or stronger.
The young disease, that must subdue at length, Grows with his growth, and strengthens with his strength. Pope.