SUBTILTY Meaning of SUBTILTY in English n. 1.Rarity, thinness, etherealness, subtileness.2.Fineness, slenderness.3.Refinement, extreme nicety, subtlety, acuteness.4.Slyness, cunning, artifice, craft, subtlety. Soule. Dictionary of English synonyms. Словарь английских синонимов. 2012