ineffectual

About 1.36 uses per million words.

Meaning

1. adjective Unable or insufficient to produce effect.
2. adjective Worthless; ineffective.
3. adjective Weak, indecisive; lacking forcefulness.

   Our group leader proved highly ineffectual, caving to every whim put forth by the other members.

Similar words

ineffective otiose unproductive unavailing useless futile unable impotent toothless uneffective

Often followed by

in and attempts attempt to as efforts for by

Word family

ineffectualities ineffectuality ineffectually ineffectualness ineffectualnesses