The modern-day meaning of "to be unable to bend Ulysses' bow" is to face an impossible challenge or task that seems unattainable or beyond reach. It refers to a task that is extremely difficult, requiring great strength, skill, or determination to accomplish.
To lean forward:) to bend forward:)
Inflexibility is the inability to bend or be unable to adapt to changes.
"Flexi-".
unable to ambulate well.
the meaning is: unable to be defeated.
inescapable?
one meaning is to bend or turn
unless you get ribs removed you are unable to. Those who can just sit and bend over to do it. You have to be bendy.
Flightless.
Invincible: unable to be defeated, will not perish
Unable to reflect light!