Quick Definition
διϊσχυρίζομαι v. I assert emphatically
Strong's Definition
from 1223 and a derivative of 2478; to stout it through, i.e. asservate
KJV Usage: confidently (constantly) affirm
UBS Dictionary of the Greek New Testament
UBS Dictionary of the Greek New Testament © United Bible Societies, licensed CC BY-SA 4.0.
Mounce Concise Greek Dictionary
διϊσχυρίζομαι diischurizomai 2x
to feel or express reliance; to affirm confidently, insist, Lk. 22:59; Acts 12:15*
Abbott-Smith Greek Lexicon
* δι-ισχυρίζομαι (T, Rec. διϊσ-), depon.; to lean upon.
to affirm confidently: c. ptcp., Lk 22:59; c. acc. et inf. (Bl., § 70, 3), Ac 12:15.†
Liddell-Scott-Jones — Greek-English Lexicon
διϊσχυρίζομαι (diischurizomai) — to insist. διϊσχῡρ-ίζομαι, lean upon, rely on, τῷ λόγῳ [Refs 5th c.BC+]
II. affirm confidently, τι [Refs 5th c.BC+]; δ. ὡς.. [Refs 5th c.BC+]; περὶ σοῦ ὡς.. [Refs]