Quick Definition
I assert emphatically
Strong's Definition
to stout it through, i.e. asservate
Derivation: from G1223 (διά) and a derivative of G2478 (ἰσχυρός);
KJV Usage: confidently (constantly) affirm
Thayer's Greek Lexicon
διϊσχυρίζομαι (L WH διϊσχυρίζομαι (see Iota)): imperfect διισχυριζομην;
1. to lean upon.
2. to affirm stoutly, to assert confidently: Luk_22:59; Act_12:15. (Lysias, Isaeus, Plato, Demosthenes, Josephus, Antiquities 2, 6, 4; Aelian hist. an. 7, 18; Dio Cassius, 57, 23; others.)
δικάζω[δικάζω; 1 aorist passive ἐδικασθην; from Homer down; "to judge, pass judgment: absolutely, Luk_6:37 Tr marginal reading (others, καταδικάζω.]
Mounce Concise Greek Dictionary
διϊσχυρίζομαι diischurizomai 2x
to feel or express reliance; to affirm confidently, insist, Luk_22:59 ; Act_12:15
Abbott-Smith Greek Lexicon
* δι -ισχυρίζομαι
( T , Rec. διϊσ -),
depon .;
1. to lean upon.
2. to affirm confidently: c . ptcp ., Luk_22:59 ; c acc et inf . (Bl., § 70, 3), Act_12:15 .†
STEPBible — Tyndale Abridged Greek Lexicon
δι-ισχυρίζομαι (T, Rec. διϊσ-), depon.;
__1. to lean upon.
__2. to affirm confidently: with ptcp., Luk.22:59; with accusative and inf. (Bl., § 70, 3), Act.12:15.†
(AS)