Synonyms of the word

efficient

• adj. Making good, thorough, or careful use of resources; not consuming extra. Especially, making good use of…
• adj. Expressing the proportion of consumed energy that was successfully used in a process; the ratio of useful…
• adj. Causing effects, producing results; bringing into being; initiating change. (Rare except in philosophical…
• adj. (proscribed, old use) Effective.

businesslike

• adj. Methodical and efficient, in a way that would be advantageous to a business or businessperson.
• adj. Earnest and practical without being distracted or enthusiastic.

competent

• adj. Having sufficient skill, knowledge, ability, or qualifications.
• adj. (law) Having jurisdiction or authority over a particular issue or question.
• adj. Adequate for the purpose.

cost-effective

• adj. Returning a benefit that justifies the initial investment; economical.

economic

• adj. Pertaining to an economy.
• adj. Frugal; cheap (in the sense of representing good value); economical.
• adj. Pertaining to the study of money and its movement.

economical

• adj. Careful with money so as not to spend too much; prudent; thrifty.
• adj. Saving money or resources.
• adj. (archaic) Relating to economy in any other sense.

effective

• adj. Having the power to produce a required effect or effects.
• adj. Producing a decided or decisive effect.
• adj. Efficient, serviceable, or operative, available for useful work.
• adj. Actually in effect.
• adj. (geometry, of a cycle or divisor) Having no negative coefficients.
• n. (military) A soldier fit for duty.

effectual

• adj. Producing the intended result; entirely adequate.

efficacious

• adj. Effective; possessing efficacy.

expeditious

• adj. Fast, prompt, speedy.
• adj. (of a process or thing) Completed or done with efficiency and speed; facilitating speed.

high-octane

• adj. (of fuel) having a high octane number, good anti-knock characteristics; used in high performance vehicles.
• adj. (by extension) high powered, energetic, forceful or dynamic.

prompt

• adj. (archaic) Ready, willing (to act).
• adj. Quick, acting without delay.
• adj. On time, punctual.
• n. A reminder or cue.
• n. (business, dated) A time limit given for payment of an account for produce purchased, this limit varying…
• n. (computing) A symbol that appears on a monitor to indicate that the computer is ready to receive input.
• n. (writing) A suggestion for inspiration given to an author.
• v. (transitive) To lead (someone) toward what they should say or do.
• v. (transitive, theater and television) To show or tell an actor/person the words they should be saying,…
• v. (transitive) To initiate; to cause or lead to.

streamlined

• adj. Designed to offer little resistance to the flow of fluid, especially by having sleek, graceful lines.
• adj. Having been made more simple and straight forward.
• v. simple past tense and past participle of streamline.

timesaving

• adj. that saves time, especially by using a shorter route or a more efficient method.
• adj. prompt or expeditious.

underspent

• v. simple past tense and past participle of underspend.