transitive. To increase the intensity of. Occasionally: to magnify optically. Obsolete.

To make sharp or sharper (in various transferred and figurative senses of the adjective). Now… To render more acute (a person's wits, sight…

To render high or higher in amount or degree; to increase, raise, augment, intensify.

To raise in amount, degree, quality, or condition; to increase, augment; to elevate, exalt. archaic.

transitive. To increase in force or degree, to intensify, augment.

transitive. Without (or with little) negative connotation: to add weight or intensity to; to strengthen, increase, or magnify. Now rare.

To raise in degree, heighten, intensify (qualities, states, powers, etc.).

To increase the intensity of, to intensify. Obsolete.

To make ‘richer’ in quality, flavour, colour, etc.; to heighten, enhance (excellences).

transitive. To give additional force to; to add to the strength, power, intensity, etc., of; to make stronger. Cf. reinforce, v. 1a 3b. Now rare.

? To wind up the mechanism of: in quot. 1632 figurative. Obsolete. rare.

To make more powerful or intense. transitive. To increase by giving fresh force to; to intensify, make greater.

transitive. (a) To add to as an enhancement, reinforce, supplement; †(b) to intensify, as by contrast (obsolete rare).

transitive. To make richer or more intense; to enrich.

to give a weight to: to add force or vigour to.

transitive. To render intense, to give intensity to; to augment, strengthen, heighten, deepen, etc.

To raise in degree, intensify, heighten.

transitive. To make intense; to intensify.

figurative. To raise to a higher level or standard, by a stage or stages. More widely, to advance gradually; to increase, intensify.

transitive. To intensify (an activity). Also: to make (an adverse situation) more difficult or uncomfortable.

Usually with up. transitive. To increase, boost; to intensify.