Lexical Definition

‎קָלַס‎ qâlaç (kaw-las') to mock H:V
a primitive root

mock, scoff, scorn.

1) to mock, scoff
1a) (Piel) to scoff at
1b) (Hithpael) to mock, deride, make fun of

See Greek: ἐμπαίζω · ἐντρυφάω

Usage: 4 forms in 4 verses
Form Translated As     In Verse(s)
לְקַלֵּ֥ס to scorn Ezek.16.31
יִתְקַלָּ֔ס it derides Hab.1.10
יִתְקַלְּסוּ they will deride Ezek.22.5
וַיִּתְקַלְּסוּ and they derided 2Kgs.2.23

Brown-Driver-Briggs

[‎קָלַס‎] verb mock, scoff (Eccl 11:4 ‎תקלס‎, text by AdlerJQ xii (1900), 470); —

Pi`el Infinitive construct ‎לְקַלֵּס‎ ‎אָתְנָן‎ Ezek 16:31 to scoff at hire (of Jerusalem under figure of harlot), but ᵐ5 ᵑ6 Symm collect, read ‎לִקְבֹּץ‎ Gr Toy Krae (or ‎לְלַקֵּט‎, Co). Hithpa`el mock, deride, with ‎ב‎ person, Imperfect 3 masculine singular ‎יִתְקַלָּ֑ס‎ Hab 1:10 3 masculine plural ‎יִתְקַלְּסוּ‎ Ezek 22:5, ‎׳‎‎וַיִּת‎ 2Kgs 2:23.

Brown-Driver-Briggs References

Book Refs
2 Kings 2:23
Ecclesiastes 11:4
Ezekiel 16:31 · 22:5
Habakkuk 1:10