transitive. To make strong or stronger (in material or immaterial sense); to strengthen, confirm; to fortify, to reinforce.

transitive. To give spiritual or moral strength to; to give courage, confidence, or resolution to; to encourage. Cf. strengthen, v. 2a.

To strengthen, establish, confirm.

transitive. To increase in force or degree, to intensify, augment; to make stronger in influence, authority, or security of position; to make less…

To make firm, strengthen, establish (any one in a habit, practice, disposition, etc.).

transitive. To establish firmly; to fix, make secure. Chiefly figurative. Obsolete.

To give force or strength to; to strengthen, reinforce; also, to fortify, garrison (a place), to man (fortifications). Obsolete.

transitive. To reinforce, strengthen.

= corroborate, v.

transitive. To give additional force to; to add to the strength, power, intensity, etc., of; to make stronger. Cf. reinforce, v. 1a 3b. Now rare.

To make more resistant or fixed. transitive. To make stronger, strengthen (esp. something immaterial); to provide with additional support.

= strengthen, v. Now somewhat rare. transitive. To make strong or stronger (in various senses).

To make firm or strong; to strengthen (now chiefly power, established systems, and the like).

transitive. To increase in force or degree, to intensify, augment.

transitive. To furnish with sinews.

To supply with sinews; to strengthen as by sinews; to nerve, harden. Chiefly figurative.

transitive. To strengthen; = comfort, v. 3.

transitive. To nerve, support, strengthen.

figurative. To prop up.

With non-material object: To strengthen (a quality, faculty, power, etc.); to confirm (a person) in a quality or attribute. archaic.

transitive. To give solidity to (something); to make firm, to strengthen; to affirm.

transitive. To give strength or vigour to (the arm, etc.). Also figurative.

transitive. To make stout.

Originally U.S. transitive. To assert or reinforce the value of (life) through a positive, uplifting, or intense experience or activity; to endow…

transitive. To make tough.

to put stuffing into: to add strength or substance to. colloquial.