From peri (in the sense of beyond); superabundant (in quantity) or superior (in quality); by implication, excessive; adverbially (with ek) violently; neuter (as noun) preeminence -- exceeding abundantly above, more abundantly, advantage, exceedingly, very highly, beyond measure, more, superfluous, vehement(-ly).

see GREEK peri

see GREEK ek

1. over and above, more than is necessary, superadded: τό περισσόν τούτων, what is added to (A. V. more than; cf. Buttmann, § 132, 21 Rem.) these, Matthew 5:37; ἐκ περισσοῦ, exceedingly, beyond measure, Mark 6:51 (WH omits; Tr brackets ἐκ περισσοῦ); Mark 14:31 Rec.; ὑπέρ ἐκ περισσοῦ (written as one word ὑπερεκπερισσοῦ (which see)), exceeding abundantly, supremely, Ephesians 3:20 (cf. Buttmann, as above); 1 Thessalonians 3:10; 1 Thessalonians 5:13 (R G WH text); περισσόν μοι ἐστιν, it is superfluous for me, 2 Corinthians 9:1; περισσόν ἔχειν, to have abundance, John 10:10 (οἱ μέν ... περισσά ἔχουσιν, οἱ δέ οὐδέ τά ἀναγκαῖά δύνανται πορίζεσθαι, Xenophon, oec. 20, 1); neuter comparitive περισσότερον τί, something further, more, Luke 12:4 (L Tr marginal reading περισσόν); περισσότερον, the more, Luke 12:48; (περισσότερον πάντων, etc. much more than all etc. Mark 12:33 T Tr text WH); adverbially, somewhat more (R. V. somewhat abundantly), 2 Corinthians 10:8; (Vulg.abundantius (A. V. more abundantly)) i. e. more plainly, Hebrews 6:17; μᾶλλον περισσότερον, much more, Mark 7:36; περισσότερον πάντων, more (abundantly) than all, 1 Corinthians 15:10; with an adjective it forms a periphrasis for the comparitive περισσότερον κατάδηλόν, more (abundantly) evident, Hebrews 7:15 (cf. Winer's Grammar, § 35, 1).

2. superior, extraordinary, surpassing, uncommon: Matthew 5:47 (A. V. more than others); τό περισσόν, as a substantive, pre-eminence, superiority, advantage, Romans 3:1; comparitive περισσότερος, more eminent, more remarkable (οὐκ ἔσῃ περισσότερος, Genesis 49:3 Symm.; περιττοτερος φρονήσει, Plutarch, mor., p. 57 f. de adulatore etc. 14): Matthew 11:9; Luke 7:26, although in each passage περισσότερον can also be taken as neuter (something) more excellent (Vulg.plus (R. V. much more than etc.)); with substantives: περισσότερον κρίμα, i. e. a severer, heavier judgment, Matthew 23:14-13Rec.; Mark 12:40; Luke 20:47; τιμή, greater honor, more (abundant) honor, 1 Corinthians 12:23{a} (1 Corinthians 12:24; εὐσχημοσύνη, 1 Corinthians 12:23b); λύπη, 2 Corinthians 2:7.