vain
From LSJ
English > Greek (Woodhouse)
adjective
puffed up: P. and V. σεμνός, ὑψηλός, P. ὑπερήφανος, μεγαλόφρων, ὀγκώδης, V. ὑπέρφρων, σεμνόστομος, ὑψηλόφρων (also Plato but rare P.). ὑψήγορος, ὑπέρκοπος, Ar. and P. χαῦνος (Plato), Ar. and V. γαῦρος.
be vain, v.: P. and V. φρονεῖν μέγα, V. πνεῖν μεγάλα, ἐξογκοῦσθαι, Ar. and V. ὀγκοῦσθαι (also Xen.), Ar. ὀγκύλλεσθαι; see be proud, under proud.
useless, ineffectual: P. and V. κενός, μάταιος, ἀνωφελής, ἀνήνυτος, V. ἀνωφέλητος (also Xen.), P. ἄπρακτος.
in vain: P. and V. μάτην, ἄλλως, διὰ κενῆς (Euripides, Troades 753), V. ματαίως, ἐν κενοῖς (Sophocles Ajax 971), ἄκραντα.
this is all in vain: V. τοῦτ' ἀνηνύτως ἔχει (Sophocles, Fragment).
be in vain, v.: V. ματᾶν.