Suppressive

verb (used with object)
1.
to put an end to the activities of (a person, body of persons, etc.):
to suppress the Communist and certain left-leaning parties.
2.
to do away with by or as by authority; abolish; stop (a practice, custom, etc.).
3.
to keep in or repress (a feeling, smile, groan, etc.).
4.
to withhold from disclosure or publication (truth, evidence, a book, names, etc.).
5.
to stop or arrest (a flow, hemorrhage, cough, etc.).
6.
to vanquish or subdue (a revolt, rebellion, etc.); quell; crush.
7.
Electricity. to reduce or eliminate (an irregular or undesired oscillation or frequency) in a circuit.
adjective
1.
tending or acting to suppress; involving suppression
2.
(psychiatry) tending to prevent the expression of certain of one’s desires or to resist the emergence of mental symptoms
verb (transitive)
1.
to put an end to; prohibit
2.
to hold in check; restrain: I was obliged to suppress a smile
3.
to withhold from circulation or publication: to suppress seditious pamphlets
4.
to stop the activities of; crush: to suppress a rebellion
5.
(electronics)

to reduce or eliminate (unwanted oscillations) in a circuit
to eliminate (a particular frequency or group of frequencies) in a signal

6.
(psychiatry)

to resist consciously (an idea or a desire entering one’s mind)
to exercise self-control by preventing the expression of (certain desires) Compare repress (sense 3)

suppress sup·press (sə-prěs’)
v. sup·pressed, sup·press·ing, sup·press·es

To curtail or inhibit the activity of something, such as the immune system.

To deliberately exclude unacceptable desires or thoughts from the mind.

To reduce the incidence or severity of a condition or symptom, such as a hemorrhage.