As long as the United States was the economic primus inter pares, those arguments were hard to gainsay.
But it will be a cost, and it will be large -- nobody can gainsay that.
When they heard this, they could not gainsay; for the Truth came over them.
I have my own roof, such as it is, and no one to gainsay me under it.
Victor was vexed by the stranger's intrusion, but could not gainsay Mrs. Joyce.
"Yes," she answered, with a quiet dignity which he could not gainsay.
By some such reasoning as this Lady Dorothea persuaded herself to this course; and who should gainsay her?
There was no one to dispute his will,—none to gainsay his opinions.
After the invading army had retired, no one will gainsay the sound sense of his behaviour.
He was the head of the household, however, so there was none to gainsay him.
"contradict," c.1300, literally "say against," from Old English gegn- "against" (see again) + say (v.). "Solitary survival of a once common prefix" [Weekley], which was used to form such now-obsolete compounds as gain-taking "taking back again," gainclap "a counterstroke," gainbuy "redeem," and gainstand "to oppose." Related: Gainsaid; gainsaying.