Gainsay gan-sa, gan'-sa (anteipon, antilego, "to say or speak against"): Occurs as anteipon, "not .... able to withstand or to gainsay" (Luke 21:15); as antilego, "a disobedient and gainsaying people" (Romans 10:21); /APC 2Esdras 5:29, contradicebant; Judges 8:28Judith 8:28, anthistemi; Judges 12:14Judith 12:14, antero; Additions to Esther 9:13, antitasso; /APC 1Macc 14:44, anteipon.
Gainsayer, antilego (Titus 1:9, "exhort and convince (the Revised Version (British and American) "convict") the gainsayers").
Gainsaying, antilogia (Judges 1:11, "the gain-saying of Korah"); antilogia is Septuagint for meribhah (Numbers 20:13); anantirrhetos, "without contradiction" (Acts 10:29, "without gainsaying").
The Revised Version (British and American) has "gainsaid" for "spoken against" (Acts 19:36); "not gainsaying" for "not answering again" (Titus 2:9); "gainsaying" for "contradiction" Hebrews 12:3).
W. L. Walker