Chapter Streaked to Stress of S by Webster's Dictionary (1913 Edition)

1. 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.

2. 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.

Strengthen
(Strength"en) v. i. To grow strong or stronger.

The young disease, that must subdue at length,
Grows with his growth, and strengthens with his strength.

Pope.

Strengthener
(Strength"en*er) n. One who, or that which, gives or adds strength. Sir W. Temple.

Strengthening
(Strength"en*ing), a. That strengthens; giving or increasing strength. — Strength"en*ing*ly, adv.

Strengthening plaster (Med.), a plaster containing iron, and supposed to have tonic effects.

Strengthful
(Strength"ful) a. Abounding in strength; full of strength; strong. — Strength"ful*ness, n.

Florence my friend, in court my faction
Not meanly strengthful.

Marston.

Strengthing
(Strength"ing), n. A stronghold. [Obs.]

Strengthless
(Strength"less), a. Destitute of strength. Boyle.

Strengthner
(Strength"ner) n. See Strengthener.

Strengthy
(Strength"y) a. Having strength; strong. [Obs.]

Strenuity
(Stre*nu"i*ty) n. [L. strenuatis.] Strenuousness; activity. [Obs.] Chapman.

Strenuous
(Stren"u*ous) a. [L. strenuus; cf. Gr. strong, hard, rough, harsh.] Eagerly pressing or urgent; zealous; ardent; earnest; bold; valiant; intrepid; as, a strenuous advocate for national rights; a strenuous reformer; a strenuous defender of his country.

And spirit-stirring wine, that strenuous makes.

Chapman.

Strenuous, continuous labor is pain.

I. Taylor.

— Stren"u*ous*ly, adv. — Stren"u*ous*ness, n.

Strepent
(Strep"ent) a. [L. strepens, p. pr. of strepere to make a noise.] Noisy; loud. [R.] Shenstone.

Streperous
(Strep"er*ous) a. [LL. streperus, fr. L. strepere. See Strepent, and cf. Obstreperous.] Loud; boisterous. [R.] Sir T. Browne.

Strepitores
(||Strep`i*to"res) n. pl. [NL., fr. L. strepitus clamor.] (Zoöl.) A division of birds, including the clamatorial and picarian birds, which do not have well developed singing organs.

Strepsipter
(Strep*sip"ter Strep*sip"ter*an) , n. (Zoöl.) One of the Strepsiptera.