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late 14c., "to put down by force or authority," from Latin suppressus, past participle of supprimere "press down, stop, check, stifle," from sub "down, under" (see sub-) + premere "push against" (see press (v.1)). Sense of "prevent or prohibit the circulation of" is from 1550s. Related: Suppressed; suppressing.
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.