One who counts, or reckons up; a calculator; a reckoner.
act in opposition to
To oppose with an equal weight or power; to counteract the power or effect of; to countervail; to equiponderate; to balance.
in the opposite direction to that in which the hands of a clock rotate, as viewed from in front of the clock face; -- of rotatory motion or spiral direction. Opposite of clockwise, or right-handed
movement that opposes an established culture
spying to counteract another’s spying
the blocking of an enemy’s sources of information
An underground gallery excavated to intercept and destroy the mining of an enemy.
the leading of an attack to stop another attack
To act against with equal weight; to equal in weight; to balance the weight of; to counterbalance.
tending to hinder the achievement of a goal
a revolution whose aim is to reverse the changes introduced by a previous revolution
To sign on the opposite side of (an instrument or writing); hence, to sign in addition to the signature of a principal or superior, in order to attest the authenticity of a writing.
To act against with equal force, power, or effect; to thwart or overcome by such action; to furnish an equivalent to or for; to counterbalance; to compensate.
a weight that is equal to another weight
A tract of land; a region; the territory of an independent nation; (as distinguished from any other region, and with a personal pronoun) the region of one's birth, permanent residence, or citizenship.
To come against face to face; to meet; to confront, either by chance, suddenly, or deliberately; especially, to meet in opposition or with hostile intent; to engage in conflict with; to oppose; to struggle with; as, to encounter a friend in traveling; two armies encounter each other; to encounter obstacles or difficulties, to encounter strong evidence of a truth.
Differentiated vocabulary for your students is just a click away.