subtle

• "The distinctions are subtle, all right, " Switters admitted. —  Fierce Invalids Home From Hot Climates
• When Frere Isambard, who was the person in question, speaks at a later period he tells us that "the questions put to Jeanne were too difficult, subtle, and dangerous, so that the great clerks and learned men who were present scarcely would have known how to answer them, and that many in the assembly murmured at them." —  Jeanne d'Arc
• A subtle, and very well camouflaged tap into the nearest current of mage-power. —  Magic's Promise
• Not a force in the world could have kept them down, for she was deftly touching cords that stirred other forces -- subtle, mysterious, mesmeric, which the old East understands -- which Muhammad the Prophet understood when he harnessed evil in the shafts with men and wrote rules for their driving in a book. —  In The Time Of Light
• "Well, I'm a Jew and I never captured a slave in my life. —  Enchantment

Roget's II: The New Thesaurus

Allen's Synonyms and Antonyms

Wordniks Suggest

Used in the Same Context