Quick Definition
I am greatly troubled
Strong's Definition
to toil through, i.e. (passively) be worried
Derivation: from G1223 (διά) and a derivative of G4192 (πόνος);
KJV Usage: be grieved
Thayer's Greek Lexicon
διαπονέω: to work out laboriously, make complete by labor. Middle (present διαπονοῦμαι); with 1 aorist passive διεπονήθην (for which Attic writings διεπονησαμην);
a. to exert oneself, strive;
b. to manage with pains, accomplish with great labor; in secular authors in both senses (from Aeschylus down).
c. to be troubled, displeased, offended, pained, (cf. colloquial English to be worked up; Winer's Grammar, 23 (22)): Act_4:2; Act_16:18. (Aq. in Gen_6:6; 1Sa_20:30; the Sept. in Ecc_10:9 for πΖςΑφΗα; Hesychius διαπονηθείς; λυπηθείς.)
Mounce Concise Greek Dictionary
διαπονέομαι diaponeomai 2x
pr. to be thoroughly exercised with labor; to be wearied; to be vexed, Act_4:2 ; Act_16:18
Abbott-Smith Greek Lexicon
δια -πονέω , -ῶ ,
[in LXX : Ecc_10:9 ( H6087 ni .), 2Ma_2:28 ; in Aq .: Gen_6:6 , 1Sa_20:3 * ;]
to work out with labour. Pass ., to be worn out, sore troubled: Mar_14:4 ( WH , mg .), Act_4:2 ; Act_16:18 .†
Moulton & Milligan — Vocabulary of the Greek NT
διαπόνεω [page 153]
For δ ., as in Act_4:2 ; Act_16:18 , cf. P Oxy IV. 743 .22 (B.C. 2) ἐγὼ ὅλος διαπον [ο ]ῦμαι , I am quite upset (Edd.). For the verb in its more ordinary sense of work laboriously, see Arist. 92 πάντες γὰρ αὐτοκελεύστως διαπονοῦσι πολλῆς γινομένης κακοπαθείας .
Liddell-Scott — Intermediate Greek Lexicon
διαπονέω fut. ήσω "to work out with labour", Lat. elaboro, Plat. , etc.:—Mid. "to get worked out", id=Plat. , Xen. : —Pass. "to be managed, governed", Aesch. Pass. also, "to be much grieved", NTest. intr. "to work hard, toil constantly", Xen. , Arist.; οἱ διαπονούμενοι "the hardworking, hardy", Xen.
STEPBible — Tyndale Abridged Greek Lexicon
δια-πονέω, -ῶ
[in LXX: Ecc.10:9 (עָצַב ni.), 2Ma.2:28; in Aq.: Gen.6:6, 1Ki.20:3 * ;]
to work out with labour. Pass., to be worn out, sore troubled: Mrk.14:4 (WH, mg.), Act.4:2 16:18.†
(AS)