A — 1: ἀντιλέγω
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(Strong's #483 — Verb — antilego — an-til'-eg-o )

lit., "to speak against" (anti, "against," lego, "to speak"), is translated "contradict" in Acts 13:45 . See ANSWER , GAINSAY , SPEAK (against).

B — 1: ἀντιλογία
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(Strong's #485 — Noun Feminine — antilogia — an-tee-log-ee'-ah )

akin to A, is translated "contradiction" in the AV of Hebrews 7:7; 12:3 , "dispute," and "gainsaying." See DISPUTE , GAINSAY , STRIFE.