| ADDRESSOR | • addressor n. Alternative form of addresser. • ADDRESSOR n. one who addresses, also ADDRESSER. |
| AGGRESSOR | • aggressor n. The person or country that first attacks or makes an aggression; that begins hostility or a quarrel; an assailant. • Aggressor prop.n. A fictional state created by the United States Army for maneuver and military exercise purposes in the 1950’s. • Aggressor n. A citizen/subject of the fictional Aggressor state. |
| CONFESSOR | • confessor n. One who confesses faith in Christianity in the face of persecution, but who is not martyred. • confessor n. One who confesses to having done something wrong. • confessor n. (Roman Catholicism) A priest who hears confession and then gives absolution. |
| DEPRESSOR | • depressor n. Anything that depresses… • DEPRESSOR n. one who, or that which, presses down. |
| OPPRESSOR | • oppressor n. Someone who oppresses another or others. • OPPRESSOR n. one that oppresses. |
| PERCUSSOR | • percussor n. (Medicine) A small hammer-like tool that a physician uses to provide a light blow to a body part. • percussor n. (Medicine) A physician who provides light blow to a body part as a diagnostic technique. • percussor n. A hammerstone or similar tool used for smashing, or chipping. |
| POSSESSOR | • possessor n. Agent noun of possess; one who possesses. • POSSESSOR n. one who possesses. |
| PROCESSOR | • processor n. A person or institution who processes things (Foods, photos, applications, etc.). • processor n. A device which processes, which changes something (A computer processor, food processor, etc.). • processor n. A central processing unit. |
| PROFESSOR | • professor n. The most senior rank for an academic at a university or similar institution, informally also known as… • professor n. (US, informal) A teacher or faculty member at a college or university regardless of formal rank. • professor n. (Archaic) One who professes something, such as a religious doctrine. |
| PROMISSOR | • promissor n. Alternative form of promisor. • PROMISSOR n. one who makes a (legal) promise, also PROMISER, PROMISOR. |
| REDRESSOR | • redressor n. Alternative form of redresser. • REDRESSOR n. one who redresses, also REDRESSER. |
| REGRESSOR | • regressor n. That which regresses, or causes regression. • REGRESSOR n. one who regresses. |
| REPRESSOR | • repressor n. Anything that represses. • repressor n. (Genetics) Any protein that binds to DNA and thus regulates the expression of genes by decreasing the… • REPRESSOR n. one who represses, also REPRESSER. |
| SUBLESSOR | • sublessor n. (Property law) A tenant (or lessee) that grants a sublease; one who sublets. • sub-lessor n. Alternative form of sublessor. • SUBLESSOR n. a person who grants a sublease, a lease by a tenant or lessee to another person. |
| SUCCESSOR | • successor n. A person or thing that immediately follows another in holding an office or title. • successor n. The next heir in order or succession. • successor n. A person who inherits a title or office. |
| VALVASSOR | • valvassor n. Alternative form of vavasour. • VALVASSOR n. a knight, noble etc. with vassals under him who is himself the vassal of a greater noble, also VAVASOR, VAVASOUR, VAVASSOR. |