is due (verb) schedule: plan one's time
Sinonime: age-old, ancient,
antediluvian, antiquated,
antique, been around, creaky,
elderly, getting on,
gray, moth-eaten, oldie, over the hill, passé, rusty, senescent, senior citizen,
shot*, timeworn,
venerable,
worn, worse for wear
Antonime: new, unripe,
young,
youthful