ἀναγκαῖος

English (LSJ)

α, ον, in Att. also ος, ον Th.1.2, Pl.R.554a, etc.:

   A of, with, or by force:    I Act., constraining, applying force, μῦθος ἀ. a word of force, Od.17.399; χρειὼ ἀ. urgent necessity, Il.8.57; ἦμαρ ἀ. day of constraint, i.e. life of slavery, 16.836; ἀ. τύχη a doom imposed by fate, or fateful chance, S.Aj.485, cf. 803 (but, fatal chance, Id.El.48); πᾶν γὰρ ἀ. χρῆμ' ἀνιηρὸν ἔφυ Thgn.472, cf. 297, E.Or.230; τῆς ἀρχῆς τῷ ἀ. παροξυνομένους by the compulsory nature of our rule, Th.5.99; δεσμὸς ἀ. Theoc.24.33; ἐξ ἀναγκαίου under stress of circumstances, Th.7.60.    2 forcible, cogent, πειθώ Pl.Sph.265d; ἀποδείξεις Ti.40e; διαλλακτὰς πολὺ τῶν ἐμῶν λόγων ἀναγκαιοτέρους Th.4.60; τὰ-ότερα τῶν ἀντιγράφων the more authoritative copies, Sch.S. OC390.    II Pass., constrained, forced, twice in Od., πολεμισταὶ ἀ. soldiers perforce, Od.24.499; so δμῶες ἀ. ib.210 (where however Eust. expl. it χρειώδεις trusty, serviceable, v. infr. 6).    2 necessary (physically or morally), οὐκ ἀ. unnecessary (on its diff. senses in philosophy v. Arist.Metaph. 1015a20ff.), ἀ. [ἐστί] it is necessary to... S.Ph.1317, etc.; γίνεταί μοι ἀναγκαιότατον, c. inf., Hdt.3.65; ἀ. κακόν a necessary evil, Men.651, cf. Hybreasap.Str.14.2.24: also c. inf., ἔνιαι τῶν ἀποκρίσεων ἀναγκαῖαι διὰ μακρῶν τοὺς λόγους ποιεῖσθαι Pl.Grg. 449b; ὁδὸν ἀναγκαιοτάτην εἶναι τρέπεσθαι Sph.242b; [μαθήματα] ἀναγκαῖα προμεμαθηκέναι necessary for us to have learnt them before, Lg.643c.    3 τὰ ἀ. necessaries of life, Antipho 4.1.2, Pl.Lg.848a; τὰ ἀ. τοῦ βίου Isoc.4.40; ἀ. τροφή Th.1.2.    b τὰ ἀ. things necessary to be done, X.Mem.1.1.6; τὰ ἐκ θεοῦ ἀ. the appointed order of things, HG 1.7.33; θεῶν ἀναγκαῖον τόδε E.Hec.584 codd.: τὸ ἀ., = ἀνάγκη, Arist. Ph.200a31.    4 indispensable, i. e. a bare minimum, freq. in Sup., τὸ ἀναγκαιότατον ὕψος the least height that was absolutely necessary, Th.1.90; ἡ ἀναγκαιοτάτη πόλις the least that could be called a city, Pl.R.369d; ἐκ τεττάρων ἀναγκαιοτάτων συγκεῖσθαι πόλιν Arist.Pol. 1291a12; αὐτὰ τἀναγκαιότατ' εἰπεῖν give a bare outline of the facts, D.18.126, cf. 168; ἡ ἀ. συγγένεια the most distant degree of kinship recognized by law, 44.26: less freq. in Posit., οὐδὲ τἀναγκαῖα ἐξικέσθαι Th.1.70: hence, scanty, makeshift, παρασκευή 6.37.    5 of persons, connected by necessary or natural ties, i. e. related by blood, Antipho 1.4, Pl.R.574b; ἀ. δόμοις E.Alc.533; οἱ ἀ. kinsfolk, X.An.2.4.1; ἀ. φίλοι E.Andr.671; συγγενεῖς καὶ ἀ. ἄνθρωποι D.19.290; τοὺς συγγενεῖς αὐτοῦ καὶ ἀ. φίλους Act.Ap.10.24, cf. PFlor.2.142.2 (iii A. D.).    6 Astrol., efficacious, Vett.Val.63.1 (Comp.): ἀ. γραμμή line of fate, Cat.Cod.Astr.7.238.    7 costly, ὄξος POxy.1870 (v A. D.); ἐσθής Suid. s.v. βεστιάριον.    III Adv. -ως of necessity, perforce, ἀ. ἔχει it must be so, Hdt.1.89, A.Ch.239, S.Tr.723, Pl. Phd.91e, etc.; ἀ. ἔχει μοι ποιέειν ταῦτα Hdt.8.140.ά, al.; ἀ. φέρειν, opp. ἀνδρείως, Th.2.64; as best might be, Pl. Ti.69d.    2 γελοίως καὶ ἀ. λέγειν in a narrow sense (cf. 11.4, but prob. with play on 111.1), Id.R.527a; πτωχῶς μέν, ἀλλ' ἀ. Babr.55.2:—Sup. ἀναγκαιότατα, λέγεις Pl.Phlb.40c.    3 strictly, κελεύειν OGI669.41 (i A. D.).    IV οἱ ἀ. τόποι privy parts, Vett.Val.113.9.    V ἀναγκαῖον, τό, v. sub v.