gainsay (verb) gainsay: contradict
Sinonime: around, as good as,
basically, effectually,
essentially, for all intents and purposes,
fundamentally, give or take a little, guesstimate, implicitly, in all but name, in effect, in essence, in substance, in the ballpark, in the neighborhood, morally, nearly, not absolutely, not actually, practically, something like, upwards of
Antonime: agree,
concur, go along