Quick Definition
δαπανάω v. I spend, bear expense, waste
Strong's Definition
from 1160; to expend, i.e. (in a good sense) to incur cost, or (in a bad one) to waste
KJV Usage: be at charges, consume, spend
UBS Dictionary of the Greek New Testament
verb | ἀδάπανος · δαπάνη · ἐκδαπανάομαι · προσδαπανάω
57.146 · Possess, Transfer, Exchange · Spend, Waste
to spend, to pay out, to pay expenses to pay out money (or other assets) as a means of obtaining benefits or in payment for benefits For another interpretation of δαπανάω in 2CO 12:15, see δαπανάω[c] 42.27.
57.149 · Possess, Transfer, Exchange · Spend, Waste
to spend completely, to waste to spend completely, with the implication of uselessly, and therefore, to waste In some languages ‘to waste’ may be expressed as ‘to use up and to get no benefit’ or ‘to have, but for no purpose.’
42.27 · Perform, Do · Do, Perform
to do anything, to exert great effort (a figurative extension of meaning of δαπανάω[a] ‘‘to spend,’ 57.146) to exert great effort in doing something It is possible, however, that δαπανάω in 2CO 12:15 should be understood in the literal sense and hence rendered ‘I will be glad to spend all I have on your behalf’ (see δαπανάω[a] 57.146).
UBS Dictionary of the Greek New Testament © United Bible Societies, licensed CC BY-SA 4.0.
Mounce Concise Greek Dictionary
δαπανάω dapanaō 5x
to expend, be at expense, Mk. 5:26; Acts 21:24; 2 Cor. 12:15; to spend, waste, consume by extravagance, Lk. 15:14; Jas. 4:3*
Abbott-Smith Greek Lexicon
** δαπανάω, -ῶ
[in LXX: To 1:7, I Mac 14:32, al. ;]
to spend, expend: c. acc., Mk 5:26; seq. ἐπί, c. dat. pers., Ac 21:24; ὑπέρ, II Co 12:15.
to consume, squander: Lk 15:14; ἐν τ. ἡδσναῖς (on the constr. with ἐν, v. Hort, Mayor, in l.), Ja 4:3 (cf. ἐκ-, προσ- δ.).†
Moulton & Milligan — Vocabulary of the Greek NT
δαπανάω. P Giss I. 219 (early 11.Α.1».) διὸ δαπανᾷς (szc Jeg.) λίτραν μίαν Kal ὁλκῆς στατῆρα, P. Oxy VIII. 1143° (¢. A.D. 1) ἐδαπανή(θησαν) εἰς τὸ ἱερὸν ἁλὸς (ἀρτάβαι) B, P Fay 125° (ii/A.p.) τὸ δαπανηθ[ἐν] παραδέξομαι, “1 will make an allowance for the expense’’ (Edd.), P Flor IIT. 334° (ii/a.p.) καὶ πάλι τῆι oft σφραγῖδι ἀσφαλῶς κλείσα- σφράγισον τὸ ϑαπανηθὲν ἀνάλωμα εἰς τοὺς θησαυρούς, εἰς ἣ (for ἣν ἢ) ὅσιόν ἐστιν. In OG/S 59} (c. B.c. 188) Ptolemy V announces a yearly grant of 111 Ptolemaic drachmae to the garrison on the island of Thera—étras ἔχωσιν els τε Tas θυσίας καὶ τὸ ἄλειμμα δαπανᾶν. With ἐν, as in Jas 4%, BGU I. 149° ye(appéva). Other things than money may be the subject: thus an undated ostracon in Archiv v. p. 179, no. 34 τοὺς ἥλους, οὖς ἠγόρασας, ἐπιμελῶς τήρησον, ὅπως Τύραννος 6 κυβερνήτης μαρτυρήσῃ μοι, ὅτι διὰ αὐτοῦ ὁμοῦ ἐδαπανήθησαν.
Liddell-Scott-Jones — Greek-English Lexicon
δαπανάω (dapanaō) — to spend. δᾰπᾰν-άω:— passive, present participle δαπανούμενα (as if from δαπανέω) [Refs 1st c.BC+]: future δαπανηθήσομαι [Refs 1st c.BC+]: aorist ἐδαπανήθην [Refs 5th c.BC+]: perfect δεδαπάνημαι [Refs 5th c.BC+]pluperfect δεδαπάνητο (κατα-) [Refs 5th c.BC+]:—passive, also middle δαπανάομαι [Refs 5th c.BC+]; imperfect, [Refs 5th c.BC+]: aorist, [Refs 5th c.BC+] (aorist middle ἐδαπανησάμην [Refs 4th c.BC+]: perfect, [Refs 5th c.BC+]:— spend, [Refs 5th c.BC+]; δ. εἴς τι to spend upon a thing, [Refs 5th c.BC+]; τἀναλώματα πάντα ἐκ τῶν ἰδίων ἐδαπανῶμεν defrayed all expenses, interpolated in [Refs 4th c.BC+]:—passive, [Refs 5th c.BC+]middle (see. above), spend, [Refs 5th c.BC+]; δαπανηθεὶς οὐδέν uncertain reading in [Refs 4th c.BC+]
2. consume, use up, ἡ φύσις δ. τὸν θορόν [Refs 4th c.BC+]:—passive, [Refs 4th c.BC+]; of time, [Refs 2nd c.AD+]; destroy, consume, φλὸξ δ. πάντα [Refs 1st c.AD+]; of persons, to be destroyed, ὑπὸ θηρίων [Refs 1st c.AD+]; καθάπερ ὑπὸ πυρός[Refs 1st c.BC+]; ὑπὸ νόσου or νόσῳ δαπανᾶσθαι [Refs 1st c.AD+] —middle, πυρὶ καὶ φόνῳ καὶ σιδήρῳ πάντα δαπανήσασθαι Eun.[prev. cited]
II. causal, τὴν πόλιν δαπανᾶν to put it to expense, exhaust it, [Refs 5th c.BC+]