- tending to separate or causing separation 
WordReference Random House Unabridged Dictionary of American English © 2025
sep•a•ra•tive 
(sep′ər ə tiv, -ə rā′-),USA pronunciation adj. 
 sep′a•ra′tive•ly, adv. 
sep′a•ra′tive•ness, n.
- tending to separate.
- causing separation.
- Late Latin sēparātīvus, equivalent. to Latin sēparāt(us) separate + -īvus -ive
- 1585–95
sep′a•ra′tive•ness, n.
Collins Concise English Dictionary © HarperCollins Publishers::
sep•a•ra•tion /ˌsɛpəˈreɪʃən/USA pronunciation  
n. 
WordReference Random House Unabridged Dictionary of American English © 2025- an act or instance of separating or the state of being separated:[uncountable]the separation of church and state.
- [countable]
- a place, line, or amount of parting:The dotted lines on the map mark the separations between the counties.
- an opening; a gap or hole:a small separation on the hem of his pants.
 
- a formal act of separating by a married couple:[countable]ordered a trial separation of six months.
sep•a•ra•tion 
(sep′ə rā′shən),USA pronunciation n. 
            - an act or instance of separating or the state of being separated.
- a place, line, or point of parting.
- a gap, hole, rent, or the like.
- something that separates or divides.
- Law
- cessation of conjugal cohabitation, as by mutual consent.
- See judicial separation.
 
- [Aerospace.]the time or act of releasing a burned-out stage of a rocket or missile from the remainder.
- PhotographySee separation negative.
- Latin sēparātiōn- (stem of sēparātiō), equivalent. to sēparāt(us) separate + -iōn- -ion
- late Middle English 1375–1425
'separative' also found in these entries (note: many are not synonyms or translations):