suppressive

transitive verb

1. 1. to put down by force; subdue; quell; crush
   2. to abolish by authority
2. to keep from appearing or being known, published, etc. to suppress a news story, a book, etc.
3. to keep back; restrain; check to suppress a laugh, a cough, etc.
4. to check or stop (a natural flow, secretion, or excretion)
5. Electronics to eliminate or weaken (an unwanted oscillation, echo, etc.) in a circuit
6. Psychiatry to consciously dismiss from the mind (unacceptable ideas, impulses, etc.)

Etymology: ME suppressen < L suppressus, pp. of supprimere, to press under, suppress < sub-, sub- + premere, to press