Inefficacious synonyms | phrases

Phrases with similar meaning for Inefficacious

• null and void

  ineffectual
• to no effect
• to no avail
• no-win
• out of commission
• of no use
• in vain
• time-wasting
• going nowhere
• in vicious circle
• not a prayer
• on a treadmill
• not able
• hog-tied
• no can do
• no good
• not cut out for
• not equal to
• not up to
• ivory-tower
• out of the question
• starry-eyed
• no-go
• no go
• no way
• not effective
• slack-spined
• half-baked
• shooting blanks
• non-existent
• on treadmill
• lame-duck
• to no purpose
• for nothing
• lacking ability
• not good enough
• leaving much to be desired
• unequal to the task
• not up to it
• not up to snuff
• for naught
• ivory tower
• no-good
• no-way
• non-toxic
• risk-free
• out of action
• out of order
• broken-down
• out of service