Lexical Definition

‎יָאַשׁ‎ yâʼash (yaw-ash') to despair H:V
a primitive root

(cause to) despair, one that is desperate, be no hope.

1) to despair
1a) (Niphal) to be despaired, be desperate
1b) (Piel) to cause to despair
interj
2) it is hopeless!

See Greek: ἀνέχομαι · ἀνίημι · ἀποτάσσομαι · ἔρχομαι

Usage: 5 forms in 6 verses
Form Translated As     In Verse(s)
נוֹאָ֔שׁ despairing Jer.2.25
נוֹאָ֑שׁ despairing Isa.57.10Jer.18.12
נֹאָֽשׁ despairs Job.6.26
לְיַאֵ֣שׁ to make despair Eccl.2.20
וְנוֹאַ֨שׁ and he will desist 1Sam.27.1

Extended Information

Brown-Driver-Briggs

[‎יָאַשׁ‎] verb despair (not in Qal) (Late Hebrew Hithpa`el despair of, ‎יֵאוּשׁ‎ desperation; Aramaic Pa`el ‎יָאֵשׁ‎, etc., make despair (so ᵑ7 Eccl 2:20); Arabic despair) —

Niph`al Perfect ‎וְנוֺאַש‎ consecutive 1Sam 27:1 Participle ‎נוֺאָשׁ‎ Jer 2:25 + 3 t.; — despair, ‎מִמֶּנִּי שָׁאוּל‎ ‎׳‎‎וְנ‎ ‎לְבַקְּשֵׁנִי‎ 1Sam 27:1 and Saul shall despair of me, to seek me; participle desperate, despairing, of Job, Job 6:26 elsewhere ‎נוֺאָ֑שׁ‎ (following ‎אמר‎) desperate! = there is no hope! Jer 2:25; Jer 18:12; Isa 57:10. Pi`el Infinitive ‎לְיַאֵשׁ‎ ‎אֶתלִֿבִּי עַל כָּלהֶֿעָמָל‎ Eccl 2:20 to make my heart despair, concerning all the toil.

‎יאֹשִׁיָּ֫הוּ‎, ‎יאֹשִׁיָּה‎ see below ‎אשׁה‎ above

Brown-Driver-Briggs References

Book Refs
1 Samuel 27:1
Job 6:26
Ecclesiastes 2:20
Isaiah 57:10
Jeremiah 2:25 · 18:12