Thesaurus:subtle
English
editAdjective
editSense: hard to grasp; not obvious or easily understood
editSynonyms
editAntonyms
editHypernyms
editFurther reading
edit- “704. difficulty” in Roget's Thesaurus, T. Y. Crowell Co., 1911.
- “subtle” in Moby Thesaurus II, Grady Ward, 1996.