ineffective

About 5.82 uses per million words.

Meaning

1. adjective Not having the desired effect; ineffectual; otiose.
2. adjective Lacking in ability; incompetent or inadequate.

Similar words

ineffectual inefficient unproductive incompetent unable impotent toothless uneffective inefficiency futile

Often followed by

in and as or for because against to at

Word family

ineffectively ineffectiveness ineffectivenesses