Lexical Definition

‎שָׁנַן‎ shânan (shaw-nan') to sharpen H:V
a primitive root

prick, sharp(-en), teach diligently, whet.

1) to sharpen, whet
1a) (Qal) to whet, sharpen
1b) (Piel) to sharpen, teach (incisively)
1c)(Hithpolel) to be pierced

See Greek: ὀξύς · παροξύνω · προβιβάζω

Usage: 9 forms in 9 verses
Form Translated As     In Verse(s)
שָׁנְנ֣וּ they sharpen Ps.64.3
שָׁנ֑וּן sharpened Prov.25.18
שָֽׁנֲנ֣וּ they sharpen Ps.140.3
שַׁנּוֹתִי֙ I sharpen Deut.32.41
שְׁנוּנִ֔ים sharpened Isa.5.28
שְׁנוּנִ֑ים sharpened Ps.120.4
שְׁנ֫וּנִ֥ים sharpened Ps.45.5
וְשִׁנַּנְתָּ֣ם and you will repeat them Deut.6.7
אֶשְׁתּוֹנָֽן I was pierced Ps.73.21

Brown-Driver-Briggs

[‎שָׁנַן‎] verb whet, sharpen (compare Arabic id.; Aramaic ‎שְׁנִינָא‎, sharp, etc.; Ethiopic [] III, 2, contend, litigate; hence ‎שֵׁן‎ tooth, Late Hebrew id., Assyrian šinnu, Arabic , Ethiopic Aramaic ‎שִׁנָּא‎, ); —

Qal whet, sharpen: Perfect 1 singular ‎אִם שַׁנּוֺתִ֫י בְּרַק חַרְבִּי‎ (Ges«GKC:67ee»§ 67ee) Deut 32:41, of ‎׳‎‎י‎'s preparation for judgment; 3 plural (‎כַחֶרֶב‎) ‎שָֽׁנְנוּ‎ ‎לְשׁוֺנָם‎ Ps 64:4*; Ps 140:4* of uttering sharp words; Passive participle ‎שְׁנוּנִים‎ sharpened, of arrows, Isa 5:28; Ps 45:6*, figurative of tongue Ps 120:4, of false witness Prov 25:18. Pi`el Perfect consecutive ‎וְשִׁנַּנְתָּם לְבָנֶיךָ‎ Deut 6:7 i.e. teach the words incisively, German 'einschärfen.' Hithpo`el Imperfect 1 singular Ps 73:21 in my kidneys ‎אֶשְׁתּוֺנָ֑ן‎ I was pierced (of poignant envy).

‎שׁנן‎ (√ of following; see Biblical Hebrew [‎שָׁנַן‎], ‎שֵׁן‎).

Brown-Driver-Briggs References

Book Refs
Deuteronomy 6:7 · 32:41
Psalms 45:6* · 64:4* · 73:21 · 120:4 · 140:4*
Proverbs 25:18
Isaiah 5:28