unsound

unsound
adj.
P. and V. σαθρός, ὕ̆παυλος, οὐχ ὑ̆γιής.
Rotten: Ar. and P. σαπρός.
Be unsound in mind, v.: P. and V. οὐ φρονεῖν ; see be mad, under mad.

UNSOUND

With reference to truth pravus: pravus et perversus (of opinions). To be unsound in faith haereticum esse (ecclesiastical); *veram Christi legem non sequi; infectum esse opinionum pravitate.

With reference to logical cogency ad probandum infirmus (nugatoriusque): levis et infirmus: levis et nugatorius: inanis et levis (weak; of arguments). That is an unsound argument nullum (vero) id quidem est argumentum.

With reference to health. [Vid. SICKLY UNHEALTHY.]

Rotten Vid.

unsound:

I. Of things:

1. pŭter and putris, tris, tre: v. ROTTEN, TAINTED.

2. căvus: v. HOLLOW.

3. cădūcus: v. PERISHABLE.

4. vĭtiōsus: v. FAULTY: u. wine, infirmi saporis vinum nec perenne, Col. Arb. 3, extr.

5. affectus (of estate, credit): Liv. 5, 10: Tac. Hist. 3, 65.

6. ēvānĭdus (of wood and timber): Vitr.

II. Of health and strength:

1. infirmus: u. in strength, viribus i., Cic. Verr. 4, 43, 95: u. health, i. valetudo, id. Brut. 48, 180.

2. morbōsus, morbĭdus: v. SICKLY, UNHEALTHY.

III. Of opinions, statements: vānus, falsus, vĭtiōsus, infirmus, non satis firmus, levis (with opinio, argumentum, ratio, rarely with sententia): Cic.: that argument is u., nullum vero id argumentum est, id. Tusc. 2, 5, 13: v. BASELESS, ERRONEOUS. Of u. mind, insānus: Cic.: Ter.: mente captus, Cic. Acad. 2, 17, 52; male sanus, Cic. Att. 9, 15.

IV. Of religious opinions: sectarian t. t.: haerĕtĭcus: v. UNORTHODOX. To hold u. views on, prava sentio, etc., cf. Cic. Tusc. 1, 13, 30. To make u., infirmo, immĭnuo: v. TO IMPAIR.

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appearing fewer than 50 times

πολύσαθρος
very rotten, unsound
σαθρός
rotten, decayed, unsound, cracked