Main entry: possible
Definition: capable of happening or existing
Usage: a breakthrough may be possible next year; anything is possible; warned of possible consequences
Antonyms: impossible
Definition: not capable of occurring or being accomplished or dealt with
Antonyms: unmanageable, difficult
Definition: hard to control
Main entry: possible, potential
Definition: existing in possibility
Usage: a potential problem; possible uses of nuclear power
Definition: presently existing in fact and not merely potential or possible