- strengthen
- I(Roget's IV) v.Syn. intensify, add, invigorate, fortify, encourage, confirm, increase, multiply, empower, arm, energize, harden, reactivate, steel, reinforce, brace, buttress, stimulate, sustain, nerve, animate, reanimate, restore, reman, refresh, recover, hearten, establish, toughen, temper, bear out, rejuvenate, tone up, build up, make firm, stiffen, brace up, rally, sharpen, enliven, give weight, carry weight, substantiate, uphold, back, augment, enlarge, extend, mount, rise, ascend, wax, grow, back up, beef up*.Ant. weaken*, cripple, tear down.II(Roget's 3 Superthesaurus) v.fortify, prop, beef up, reinforce, bolster, buttress, harden, temper, steel, shore up, intensify, heighten.ANT.: weaken, undermine, sapIII(Roget's Thesaurus II) verb 1. To become or cause to become tough or strong: toughen. See STRONG. 2. To prepare (oneself) for action: brace, forearm, fortify, gird, ready, steel. Idiom: gird (or gird up) one's loins. See PREPARED. 3. To make or become tight or tighter: reinforce, tighten. See TIGHTEN. 4. To make firmer in a particular conviction or habit: confirm, fortify, harden. See STRONG.
English dictionary for students. 2013.