Antonyms for the word "inter fusing" include separating, dividing, segregating, dismantling, disassembling, disjoining, disconnecting, and disintegrating. Each of these antonyms highlights the opposite action of merging or blending that inter fusing implies. Separating refers to physically or mentally dividing into distinct parts. Segregating means separating out a particular group or entity. Dismantling entails taking something apart piece by piece. Disassembling means breaking something down into its component parts. Disjoining and disconnecting highlight the idea of breaking connections or links. Finally, disintegrating refers to something falling apart, dissolving, or breaking down. By using these antonyms, one can more accurately convey a sense of separation or division rather than a blending or merging.