To undo, bring to nought; to render powerless, counteract, neutralize (poison, temptation, etc.). Obsolete.

transferred and figurative. To balance in power, quality, or effect; to be, or furnish, an equivalent for; to counterbalance, compensate.

To counteract or neutralize (hurtful qualities); to remove or prevent the ill effect of (something hurtful or undesirable).

To check or arrest by counteraction.

To act against or resist with equal force; to counterbalance. Obsolete.

figurative. To render (a thing) null by means of something of opposite nature; to neutralize, counterbalance, countervail; to make up for, compensate.

figurative. To balance or neutralize the effect of, by a contrary power or influence.

transitive. To forcibly move or incline to the opposite side; to counterweigh.

figurative. To counteract; to frustrate; to counterbalance. Obsolete.

To influence in the opposite direction; to affect or oppose with a counter-influence.

To hinder or defeat by contrary action; to neutralize the action or effect of. Said of forces, influences, etc.

To counteract or neutralize the effect of; to render of no avail.

transitive. To counterbalance; to render ineffective or void; to destroy by an opposite force or effect.

transitive. To counterbalance, counterpoise.

transitive. Generally, of any force: to counteract or neutralize the action of.

transitive. To counteract, qualify, or moderate (something neutral or positive).

transferred. To neutralize the effect of.