Lexical Definition

‎περίεργος‎ períergos (per-ee'-er-gos) meddlesome/magic ^G:A
from ‎περί‎ and ‎ἔργον‎

busybody, curious arts.

• working all around, i.e. officious (meddlesome, neuter plural magic)

Abbott-Smith

* περίεργος, -ον,
I. of persons;
1. over careful.
2. curious, meddling, a busybody: I Ti 5:13.
II. Of things;
1. over-wrought.
2. superfluous.
3. curious, uncanny; τὰ π., curious arts, magic: Ac 19:19 (v. Deiss., BS, 3235.).†

Abbott-Smith References

Liddell-Scott-Jones

περίεργος, ον,

taking needless trouble, [Refs 5th c.BC+]. adverb -γως [Refs 5th c.BC+]

__2 officious, meddlesome, [Refs 5th c.BC+]; π. εἰμι I am a busy-body, [Refs]; περίεργα βλέπειν look curiously at, with accusative, [Refs 2nd c.AD+]
__3 of an inquiring mind, [Refs 4th c.BC+]; inquisitive, curious, [Refs 2nd c.AD+]; π. παιδία [Refs 2nd c.AD+]; τὸ π. [Refs 2nd c.AD+]. adverb -γως, ἔχειν [Refs 2nd c.AD+] H.: comparative -ότερον, ἔχειν πρός τινα [Refs 4th c.AD+]
__II passive, overwrought, elaborate, ὀδμή (perfume) [Refs 5th c.BC+]; τὸ τῆς κόμης π. [Refs 2nd c.AD+]; especially of language or style, ὀνόματα, λόγοι, [Refs 4th c.BC+]: comparative, - οτέρα λέξις [Refs]. adverb -γως[Refs 2nd c.AD+]: comparative -ότερον, ἠσκημένος τὴν κόμην [Refs 2nd c.AD+]
__II.2 superfluous, π. καὶ μακρὰ λέγειν [Refs 5th c.BC+]; ὅπως εἴ τις π. ἀφαιρεθῇ (i.e. δαπάνη) [Refs 5th c.BC+]; futile, useless, πόλεμος [Refs 5th c.BC+]. adverb -γως[Refs 4th c.BC+]
__II.3 curious, superstitious, ἱερουργίαι [Refs 1st c.AD+]; τὰ π. curious arts, magic, [NT]

_{LSJ Scripture Refs: Acts.19.19}