Definitions

from The Century Dictionary.

  • noun The quality of being effective.

from the GNU version of the Collaborative International Dictionary of English.

  • noun The quality of being effective.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun The property of being effective
  • noun The ability to be effective.
  • noun The degree to which something is effective.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun power to be effective; the quality of being able to bring about an effect
  • noun capacity to produce strong physiological or chemical effects

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

effective +‎ -ness

Examples

Comments

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