Lexical Definition

‎יָפָה‎ yâphâh (yaw-faw') be beautiful H:V
a primitive root

be beautiful, be (make self) fair(-r), deck.

1) to be bright, be beautiful, be handsome, be fair
1a) (Qal) to be beautiful
1b) (Piel) to beautify
1c) (Pual) to be beautiful
1d) (Hithpael) to beautify oneself

See Greek: καλός · ὡραῖος

Usage: 8 forms in 8 verses
Form Translated As     In Verse(s)
תִּתְיַפִּ֑י you beautify yourself Jer.4.30
יָפְיָפִ֡יתָ you are handsome Ps.45.2
יָּפִית֙ you are beautiful Song.7.6
יָּפ֧וּ they are beautiful Song.7.1
יָּפ֥וּ they are beautiful Song.4.10
יְיַפֵּ֑הוּ he beautifies it Jer.10.4
וַתִּ֙יפִי֙ and you were beautiful Ezek.16.13
וַיְּיִ֣ף and it was beautiful Ezek.31.7

Brown-Driver-Briggs

[‎יָפָה‎] verb be fair, beautiful (Late Hebrew id. Pi`el and derivatives; Aramaic Aph`el is suffice, finish, fail; compare Aramaic (PS3015) beautiful, fit, § 172 c. Anm. G H[offmann] LCB1882, 321. Arabic fulfil, perform; Ethiopic II.

2. give (entirely) over to, into power of, Di349) —

Qal Perfect ‎יָפִיתְ‎ Song 7:7* ‎יָפוּ‎ Song 4:10; Song 7:2* Imperfect 2 feminine singular ‎וַתִּ֫יפִי‎ (Lgh. i. 581) Ezek 16:13 3 masculine singular with apocope ‎וַיִּיף‎ Ezek 31:7be beautiful, subject person Song 4:10; Song 7:7* of feet v.Song 7:2* of Jerusalem under figure of woman Ezek 16:13 Egypt under figure of tree Ezek 31:7. Pi`el Imperfect 3 masculine singular suffix ‎יְיַפֵּ֑הוּ‎ Jer 10:4 beautify an idol. The (Pe`al`al ?) Perfect form ‎אָדָם יָפְיָפִיתָ מִבְּנֵי‎ Ps 45:3* is contrary to all analogues: read either ‎יָפִיתָ‎ or ‎יְפֵיפִיתָ‎ Ges § 55. 3 Sta§ 156 R Now (i. 583 f. defence is artificial): thou art more beautiful than, etc. Hithpa`el Imperfect 2 feminine singular ‎תִּתְיַפִּי‎ beautify thyself Jer 4:30.

Brown-Driver-Briggs References

Book Refs
Psalms 45:3*
Song of Solomon 4:10 · 7:2* · 7:7*
Jeremiah 4:30 · 10:4
Ezekiel 16:13 · 31:7