admiral of the fleet (noun) fleet admiral: highest US Navy commander
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