[Meaning] to oppose. Also [sc. attested is the related noun] a)ntitupi/a ["resistance"], [meaning] opposition, rigidity. It is also used for similarity.[1]
In the Epigrams: "the stone that produces fire in resistance to striking."[2]
Also [sc. attested is the related adjective] a)nti/tupon ["repellant"]: "'although every sensation possesses some particular origin, the sense of touch does not possess a single common origin from tangible things,' says Aristotle. Because even though it concerns itself with a particular kind of tangible thing, yet one sort which is not visible falls under the category of touch; through this [touch] it is obvious that it [this sort of thing] exists, although it does not appear. What then is this? We say that it is resistance. But I say that resistance is not the opposite of 'softness' and that it does not give way to touch, but that every physical body which encounters and makes contact with the sense of touch [is] in opposition to mathematical bodies which do not make contact with or resist the sense of touch. So we say that which somehow offers resistance to the sense of touch is 'resistant' [a)nti/tupon] and this is the common origin of tangible things."[3]
Also [sc. attested is the phrase] a)nti/tupoi a)/nqrwpoi ["resistant men"], [meaning those who are] hard and unyielding.[4] [The phrase arises] metaphorically from the thunderbolt and the hammer. Also [sc. attested is the phrase] tu/pos a)nti/tupos ["blow [and] counter-blow"]. The oracle says [this].[5]