Phocabulary - sinuous - Synonym: anfractuous, circuitous, coiling, convoluted, crooked, curved, curvy, deviative, devious, flexuous, indirect, meandering, meandrous, serpentine, snaky*, supple, tortuous, twisting and turning, undulating, vagrant - Antonym: straight, untwisted, unwinding - Photo Word of the Day to improve and enhance word memory. Beginner, intermediate, advanced words including definition, synonyms, and antonyms.