Adjective flexible has 5 senses
  1. flexible - extended meanings; capable of change; "a flexible character"; "flexible schedules"
    inflexible, adamant, adamantine, inexorable, intransigent, die-hard, rock-ribbed, flinty, granitic, unyielding, fossilized, fossilised, ossified, hard-core, hardcore, ironclad, brassbound
  2. flexible, flexile - able to flex; able to bend easily; "slim flexible birches"
    Antonyms: inflexible, muscle-bound, rigid, semirigid, stand-up, stiff, stiffened
  3. elastic, flexible, pliable, pliant - able to adjust readily to different conditions; "an adaptable person"; "a flexible personality"; "an elastic clause in a contract"
    Antonym: unadaptable (indirect, via adaptable)
  4. flexible - bending and snapping back readily without breaking
    inelastic (indirect, via elastic)
  5. compromising, conciliatory, flexible - making or willing to make concessions; "loneliness tore through him...whenever he thought of...even the compromising Louis du Tillet"