noun

1. a settlement in which each side gives up some demands or makes concessions
2. 1. an adjustment of opposing principles, systems, etc. by modifying some aspects of each
   2. the result of such an adjustment
3. something midway between two other things in quality, effect, etc.
4. 1. exposure, as of one's reputation, to danger, suspicion, or disrepute
   2. a weakening, as of one's principles

Etymology: ME & OFr compromis < LL compromissum, a compromise, mutual promise < L compromissus, pp. of compromittere, to make a mutual promise to abide by an arbiter's decision < com-, together + promittere, to promise

transitive verb compromised -·mised′, compromising -·mis′·ing

1. to settle or adjust by concessions on both sides
2. to lay open to danger, suspicion, or disrepute
3. to weaken or give up (one's principles, ideals, etc.) as for reasons of expediency
4. Med. to weaken or otherwise impair drugs that compromised his immune system

intransitive verb