- helpless, incapacitated - lacking in or deprived of strength or power; "lying ill and helpless"; "helpless with laughter"
Antonym: powerful (indirect, via powerless)
- helpless, lost - unable to function; without help
Antonym: hopeful (indirect, via hopeless)
- helpless - unable to manage independently; "as helpless as a baby"
Antonym: independent (indirect, via dependent)