| subtilize | (v) mark fine distinctions and subtleties, as among words |
| subtilize | (v) make (senses) more keen, Syn. subtilise |
| rarefy | (v) make more subtle or refined, Syn. subtilize, sublimate |
| Subtilize | v. t. Nor as yet have we subtilized ourselves into savages. Burke. [ 1913 Webster ] |
| Subtilize | v. i. To refine in argument; to make very nice distinctions. Milner. [ 1913 Webster ] |
| Subtilizer | n. One who subtilizes. [ 1913 Webster ] |