This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. The use of physical or mental energy to do something; exertion.

n. A difficult exertion of the strength or will: It was an effort to get up.

n. A usually earnest attempt: Make an effort to arrive promptly.

n. Something done or produced through exertion; an achievement: a play that was his finest effort.

n. Physics Force applied against inertia.

n. The work involved in performing an activity; exertion.

n. An endeavour.

v. To make an effort.

v. To stimulate.

n. An exertion of strength or power, whether physical or mental, in performing an act or aiming at an object; more or less strenuous endeavor; struggle directed to the accomplishment of an object.

n. A force acting on a body in the direction of its motion.

v. To stimulate.

n. Voluntary exertion; a putting forth of the will, consciously directed toward the performance of any action, external or internal, and usually prepared by a psychological act of “gathering the strength” or coördination of the powers.

n. The result of exertion; something done by voluntary exertion; specifically, a literary, oratorical, or artistic work.

n. In mech., a force upon a body due to a definite cause.

To strengthen; reinforce.

n. earnest and conscientious activity intended to do or accomplish something

n. use of physical or mental energy; hard work

n. a notable achievement

n. a series of actions advancing a principle or tending toward a particular end

"The write-in effort is a grassroots one of thousands of DC voters, so I'm sure there will be different reactions."

deed    effort of nature    center of effort    mean effort    tractive effort    sense of effort   

attempt    exertion    strain    struggle    endeavor    straining    essay    trial    stimulate   

activity    plan    attempt    power    attention    organization    struggle    purpose    success    desire