ineffective

[ in-i-fek-tiv ]

adjective

1. not effective; not producing results; ineffectual:

   ineffective efforts; ineffective remedies.

2. inefficient or incompetent; incapable:

   an ineffective manager.

3. lacking in artistic effect, as a literary work, theatrical production, or painting.

ineffective

/ ˌɪnɪˈfɛktɪv /

adjective

1. having no effect
2. incompetent or inefficient

Derived Forms

• ˌinefˈfectively, adverb
• ˌinefˈfectiveness, noun

Other Words From

• inef·fective·ly adverb
• inef·fective·ness noun

Word History and Origins

Origin of ineffective¹

First recorded in 1645–55; in- ³ + effective

Example Sentences

This change in crystal structure rendered the drug ineffective and forced it off the market until a new formulation was created.

From Science Daily

After losing to the Miami Dolphins on Monday night, the Rams welcomed a short turnaround to forget about their ineffective performance on offense and breakdowns at key moments on defense.

From Los Angeles Times

But critics argue these measures have proven ineffective.

From BBC

Stafford was sacked four times, however, multiple passes were tipped and the rushing attack was ineffective.

From Los Angeles Times

Wednesday’s heroics came with the Lakers having blown an early 15-point lead while their leading scorer, Anthony Davis, had been hampered with foul trouble and was largely ineffective.

From Los Angeles Times

Related Words

• feeble
• fruitless
• futile
• impotent
• inadequate
• incompetent
• indecisive
• ineffectual
• inefficient
• inept
• limited
• null
• powerless
• unable
• unproductive
• unprofitable
• unsuccessful
• worthless