Collocations for helpless - adj.

be, feel, lie, look, seem, stand, watch
John felt completely helpless. | He lay helpless in the hospital ward.

become | leave sb, render sb
He was left helpless and alone. | She was rendered helpless by panic.

absolutely, completely, quite, totally, utterly | apparently, seemingly | physically

against
She was helpless against his strength.

before
Kirk stood helpless before this giant of a man.

in the face of
feeling helpless in the face of all these rules and regulations

with
She was helpless with anger.