Word Explorer

Efficiency

↔️ Antonyms of "Efficiency"

Words with the opposite meaning.

Word	Definition
inefficiencynoun	Lack of efficiency or effectiveness.

💡 Words with a Similar Meaning to "Efficiency"

Found via reverse dictionary — words that share a conceptual meaning.

Word	Definition
efficientnoun	Making good, thorough, or careful use of resources; not consuming extra. Especially, making good use of time or energy.
functioningnoun	Manner by which something functions; the workings.
productivitynoun	The state of being productive, fertile, or efficient.
effectivenessnoun	The property of being effective, of achieving results.
usenoun	Occasion or need to employ; necessity.
utilitynoun	The state or condition of being useful; usefulness.
usefulnessnoun	The quality or degree of being useful.
effectivenoun	(military) a soldier fit for duty
efficacynoun	A degree of ability to produce a desired effect; effectiveness.
efficacious	(formal) Effective; possessing efficacy.
effectively	Essentially, in effect, for all practical purposes.
expediencynoun	(uncountable) The quality of being fit or suitable to effect some desired end or the purpose intended; suitability for particular circumstance or situation.
effectnoun	The result or outcome of a cause.
competencenoun	(uncountable) The quality or state of being competent, i.e. able or suitable for a general role.
efficiently	In an efficient manner.
capacitynoun	The ability to hold, receive, or absorb.
abilitynoun	(uncountable) The quality or state of being able; capacity to do or of doing something; having the necessary power.
streamliningnoun	The process by which something is streamlined.
performancenoun	The act of performing; carrying into execution or action; execution; achievement; accomplishment; representation by action.
achievementnoun	The act of achieving or performing; a successful performance; accomplishment.