useless

useless
adj.
P. and V. ἄχρηστος, ἄχρειος, ἀ̆νόνητος, ἀ̆νωφελής, ἀ̆σύμφορος, ἀ̆νήνῠτος (Dem. 209), P. ἀλυσιτελής, V. ἀ̆νωφέλητος (also Xen.).
Fruitless: P. ἄπρακτος, ἄκαρπος, V. ἀ̆κάρπωτος.
Vain: P. and V. κενός, μά̆ταιος.

USELESS

inutilis (not useful): cassus (empty hollow; then profitless causeless; e.g. labores vota formido): inanis (empty without substance; hence unreal profitless; e.g. cogitatio: contentiones): vanus (empty without any useful result; e.g. ictus inceptum): irritus (done in vain; e.g. inceptum preces labor). (The words are found in this connection and order.) vanus et irritus: irritus et vanus. Useless talk [Vid: FRIVOLOUS]. Useless things inutilia: cassa inania etc.: nugae (trifles). To take useless trouble operam perdere; operam frustra insumere consumere conterere; frustra laborem suscipere: to be just taking so much useless trouble oleum et operam perdere (Cic. proverbially): saxum sarrire (Proverbially to hoe a rock Martialis): imbrem in cribrum ingerere (to catch the rain in a sieve proverbially Plaut. Pseud. 1 1 100): laterem lavare (to wash a tile proverbially Ter. Phorm. 1 4 9). Useless for anything inutilis alicui rei or ad aliquid: useless to anybody inutilis ad alicujus usum: a totally useless person homo ad nullam rem or ad nullam partem utilis: to be useless inutilem esse; nulli usui esse.

useless:

1. ĭnūtĭlis, e: Caes.: Cic.: Hor.

2. cassus (empty): u. toils, c. labores, Plin. Ep. 8, 23: u. prayers, c. vota, Virg. Aen. 12, 780.

3. ĭnānis, vānus: v. VAIN, EMPTY.

4. irrĭtus (ineffectual): a u. undertaking, i. inceptum, Liv. 29, 35.

5. incommŏdus, ĭnhăbĭlis: v. UNFIT. To be u.: nihil valere, nihil proficere, usum nullum habere: v. TO USE. A u. fellow, homo ad nullam rem utilis, Cic. Off. 3, 6, 29. U. may be expr. by circuml. with adv. frustra, incassum. To make u.: frustrari: Col.: v. FRUSTRATE.