Lexical Definition

‎μεταμέλλομαι‎ metaméllomai (met-am-el'-lom-ahee) to repent G:V
from ‎μετά‎ and the middle voice of ‎μέλω‎

repent (self).

Usage: 13 forms in 18 verses
Form Translated As     In Verse(s)
μετεμελόμην I was regreting 2Cor.7.8
μετεμελούντο are repenting not LXX.Zech.11.5
μετεμελήθητε did repent Matt.21.32
μετεμελήθην I repented LXX.Gen.6.7
μετεμελήθη repent LXX.Jer.20.16
repented LXX.1Sam.15.35LXX.1Chr.21.15LXX.Ps.106.45
μεταμεμέλημαι I have changed my mind LXX.1Sam.15.11
μεταμεληθεὶσ having regretted Matt.27.3
having repented Matt.21.29
μεταμεληθήση you shall be repenting LXX.Prov.5.11
μεταμεληθήσεται repent LXX.Ps.110.4
will change His mind Heb.7.21
μεταμεληθήσεσθε you shall be repentant LXX.Ezek.14.22
μεταμεληθήσ you should change your mind LXX.Prov.25.8
μεταμελήση should repent LXX.Exod.13.17
μεταμέλομαι I do regret 2Cor.7.8

Abbott-Smith

μετα-μέλομαι, [in LXX chiefly for נחם: ni.;]
depon., pass., to regret, repent one: Mt 21:30, 32 27:3, II Co 7:8, He 7:21(LXX).†
SYN.: μετανοέω, to change one's mind, repent. On the distinction, difficult to maintain by usage, between these words, v. Thayer, s.v.; Tr., Syn., § lxix.

Abbott-Smith References

Book Refs
Matthew 21:30 · 21:32 · 27:3
2 Corinthians 7:8
Hebrews 7:21

Liddell-Scott-Jones

μεταμέλλομαι-ομαι,

rare except in present and imperfect: future - μελήσομαι [LXX+5th c.BC+]: aorist -εμελήθην [Refs 2nd c.BC+]; also Epic dialect μετεμέμβλετο probably in [Refs]: perfect - μεμέλημαι [LXX+1st c.BC+]:—feel repentance, regret:—Constr.:

__1 with participle, μετεμέλοντο οὐ δεξάμενοι they repented that they had not.., [Refs 5th c.BC+]; μ. ὅτι.. [Refs 4th c.BC+]
__2 μεταμέλλομαιεσθαί τινι repent at a thing, [Refs 1st c.BC+]; τινων [Refs 3rd c.BC+]
__3 absolutely, change one's purpose or line of conduct, [Refs 5th c.BC+]
__II causal in future participle, τὸ μεταμελησόμενον that which will cause regret, matter for future repentance, [Refs 5th c.BC+]
__III ={μεταμέλλομαιει}[μεταμέλλομαιεσθαι αὐτοῖς περὶ ὧν ἂν συμβουλεύσωνται 5th-6th c.BC: Plato Philosophus “Demodocus” 382d ">Refs 5th c.BC+].:—the form μεταμελέομαι, censured by Thom.Mag.[Refs 5th c.BC+]

LSJ Scripture Refs: LXX.Ps.109.4*