He felt so powerless.
powerless to do something
Local police were powerless to stop them doing it again.
The villagers were powerless against the rising flood water.
—powerlessness noun [uncountable]WORD FOCUS: weak
a sense of frustration and powerlessness
person: puny, feeble, weedy British English, frail, fragile, powerless, vulnerable
thing: fragile, delicate, flimsy, rickety, badly made, jerry-built
➔ See also weak