Thick And Thin Meaning

Example : Both thickets and thin woodland; (through) all obstacles in a path.c. 1390, Geoffrey Chaucer, "The Reeve's Tale", Canterbury Tales, Ellesmere ms:  Toward the fen / ther wilde Mares renne / fforth with wehee / thurgh thikke and thurgh thenne […]1590, Edmund Spenser, The Faerie Queene, III.1:  His tyreling Jade he fiersly forth did push / Through thicke and thin, both over banck and bush […]  "I must follow him through thick and thin." - Miguel de Cervantes[1]Hudibras  Through thick and thin she followed him.Coleridge  He became the panegyrist, through thick and thin, of a military frenzy.