Lexical Definition

‎δολιόω‎ dolióō (dol-ee-o'-o) to deceive G:V
from ‎δόλιος‎

use deceit.

Usage: 4 forms in 4 verses
Form Translated As     In Verse(s)
ἐδολιοῦσαν they were practicing deceit Rom.3.13
εδολιούσαν they used deceit LXX.Ps.5.9
δολιούσιν they used deceit LXX.Num.25.18
δολιούσθαι to use deceit LXX.Ps.105.25

Abbott-Smith

δολιόω (< δόλιος), [in LXX: Nu 25:18, Ps 104 (105):25* (נָכַל), Ps 5:6* (חָלַק hi.) * ;]
to deceive: ἐδολιοῦσαν (-σαν, freq. in κοινή Gk. for impf. 3rd pers. pl.), Ro 3:13 (LXX).†

Abbott-Smith References

Book Refs
Numbers 25:18
Psalms 5:6* · 105:25*
Romans 3:13

Liddell-Scott-Jones

δολιόω,

3rd.pers. plural imperfect ἐδολιοῦσαν, deal treacherously with one, [LXX]: absolutely, to be treacherous, [LXX+2nd c.AD+]

LSJ Scripture Refs: LXX.Ps.5.10*LXX.Prov.26.19