Lexical Definition

‎מָסַס‎ mâçaç (maw-sas') to melt H:V
a primitive root

discourage, faint, be loosed, melt (away), refuse, [idiom] utterly.

1) to dissolve, melt
1a) (Qal) to waste away
1b) (Niphal)
1b1) to melt, vanish, drop off, melt away
1b2) to faint, grow fearful (fig.)
1b3) wasted, worthless (participle)
1c) (Hiphil) to cause to melt

See Greek: ἀφίστημι · βρέχω · δειλιάω · διαλύω · ἐξίστημι · ἡττάω · θραύω · πτοέω · σαλεύω · τήκω

Usage: 20 forms in 21 verses
Form Translated As     In Verse(s)
נָמֵ֜ס melting Nah.2.10
נָ֭מַסּוּ they melt Ps.97.5
נָ֝מֵ֗ס it has melted Ps.22.14
כִּמְסֹ֥ס as wastes away Isa.10.18
כְּהִמֵּ֣ס as melts Ps.68.2
יִמָּס it will melt Isa.13.7
יִמָּ֑ס he will melt 2Sam.17.10
יִמַּ֥ס it will melt Isa.19.1
יִמַּ֛ס it will be melted Deut.20.8
וַיִּמַּ֥סּוּ and they dropped off Judg.15.14
וַיִּמַּ֥ס and it melted Josh.7.5
וַיִּמַּ֣ס and it melted Josh.2.11Josh.5.1
וְנָמָֽס and it melted Exod.16.21
וְנָמָ֑ס and he will melt away Ps.112.10
וְנָמַ֥סּוּ and they will melt away Isa.34.3
וְנָמַ֤סּוּ and they will melt Mic.1.4
וְנָמֵ֣ס and it will melt Ezek.21.7
וְנָמֵ֖ס and worthless 1Sam.15.9
הֵמַ֨סּוּ they have made melt Deut.1.28
הִמֵּ֣ס surely 2Sam.17.10

Brown-Driver-Briggs

[‎מָסַס‎] verb dissolve, melt, intransitive (ᵑ7 ‎מְסַס‎; compare ‎מסה‎, and II. ‎מאס‎); —

Qal. Infinitive construct ‎מְסֹס נֹסֵס‎ Isa 10:18 like the melting (wasting away) of a ‎נֹסֵס‎ (q. v.) Niph`al Perfect ‎וְנָמֵס‎ consecutive Ezek 21:12* ‎וְנָמָ֑ס‎ Exod 16:21; Ps 112:10 ‎נָמַ֫סּוּ‎ Ps 97:5 + 2 t; Imperfect ‎יִמַּס‎ Deut 20:8 +; ‎וַיִּמַּסּוּ‎ Judg 15:14 Infinitive absolute ‎הִמֵּס‎ 2Sam 17:10 construct id. Ps 68:3* Participle ‎נָמֵס‎ Ps 22:15* + 2 t.; —

1. melt (intransitive) of manna Exod 16:21 wax Ps 68:3* (simile of wicked); manacles Judg 15:14 (= vanished, dropped off); wicked Ps 112:10 (melt away); especially of hills and mountains Mic 1:4; Ps 97:5; Isa 34:3.

2. most often figurative of heart = faint, grow fearful, Nah 2:11*; 2Sam 17:10 (twice in verse) (compare Dr), Deut 20:8; Josh 2:11; Josh 5:1; Josh 7:5; Isa 13:7; Isa 19:1; Ezek 21:12*; Ps 22:15*.

3. Participle = wasted, consumptive (?), 1Sam 15:9 (|| ‎נְמִבְזָה‎, read ‎נִבְזָה‎ see ‎בזה‎ Niph`al) < read ‎נִמְאֶסֶת‎ worthless, literally rejected (see ‎מאס‎ Niph`al) Hiph`il Perfect 3 plural ‎הֵמַסּוּ אֶתלְֿבָבֵנוּ‎ Deut 1:28 cause to melt ( = intimidate).

Brown-Driver-Briggs References

Book Refs
Exodus 16:21
Deuteronomy 1:28 · 20:8
Joshua 2:11 · 5:1 · 7:5
Judges 15:14
1 Samuel 15:9
2 Samuel 17:10
Psalms 22:15* · 68:3* · 97:5 · 112:10
Isaiah 10:18 · 13:7 · 19:1 · 34:3
Ezekiel 21:12*
Micah 1:4
Nahum 2:11*