Quick Definition
goods, substance, property
Strong's Definition
existency or proprietorship, i.e. (concretely) property, wealth
Derivation: from G5225 (ὑπάρχω);
KJV Usage: goods, substance
Thayer's Greek Lexicon
ὕπαρξις, ὑπάρξεως, ἡ (ὑπάρχω, which see) (from Aristotle down), possessions, goods, wealth, property (equivalent to τά ὑπάρχοντα): Act_2:45; Heb_10:34 (for ψΐλεΜωΡ, 2Ch_35:7; Dan_11:24, Theod.; for ξΔχΐπΖδ, Psalm 77:48 (); Jer_9:10; for δεο, Pro_18:11; Pro_19:14; Polybius, Dionysius Halicarnassus, Diodorus Siculus, Plutarch, Artemidorus Daldianus).
Mounce Concise Greek Dictionary
ὕπαρξις hyparxis 2x
goods possessed, substance, property, Act_2:45 ; Heb_10:34
Abbott-Smith Greek Lexicon
ὕπαρξις , -εως , ἡ
( <ὑπάρχω ),
[in LXX for H7399 , H1952 , etc.;]
1. subsistence, existence ( Arist ., al. ).
2. In late writers, = τὰ ὑπάρχοντα , substance, property: Heb_10:34 ; pl ., Act_2:45 .†
Moulton & Milligan — Vocabulary of the Greek NT
ὕπαρξις [page 650]
For the late use of ὕπαρξις to denote substance, property, as in Heb_10:34 , cf. P Oxy X. 1274 .14 (iii/A.D.) τὴν ὕπαρξιν αὐτοῦ πᾶσαν οὖσαν τιμήματος δουκηναρίας , all his property valued at two hundred thousand sesterces (Edd.). Cf. Teles p. 43 .9 ἢ ποία χρημάτων ὕπαρξις <τῶν > τοιούτων ἐπιθυμιῶν ἀπολύει ; In MGr ὕπαρξι means existence.
STEPBible — Tyndale Abridged Greek Lexicon
ὕπαρξις, -εως, ἡ
(ὑπάρχω), [in LXX for רְכוּשׁ, הוֹן, etc. ;]
__1. subsistence, existence (Arist., al.).
__2. In late writers, = τὰ ὑπάρχοντα, substance, property: Heb.10:34; pl., Act.2:45.†
(AS)