willpower

noun

will·​pow·​er ˈwil-ˌpau̇(-ə)r 

: the ability to control one's own actions, emotions, or urges

Approximately 42% of U.S. adults are affected by obesity, and many believe that willpower alone is insufficient for weight loss, highlighting the need for pharmacological interventions.

—Richard Howells

I'm not talking about facing up to hard work or discipline, as if the problem were faulty willpower or a poor character.

—Patricia Hampl

also : strong determination that allows one to do something difficult

… maintaining their seats at the corporate table through a wily deployment of guts, guile and willpower.

—Hugh Hart

Synonyms of willpower

• restraint
• self-control

Examples of willpower in a Sentence

The dessert buffet tested my willpower.

He conquered his drinking problem through sheer willpower.

Recent Examples on the Web

The obese person once judged for lacking willpower may instead be judged for failing to comply with treatment, failing to lose enough weight, or failing to remain on medication. — Max Moser, STAT, 9 July 2026

If a habit feels like punishment, your willpower will be fighting an uphill battle. — Kevin Kruse, Forbes.com, 8 July 2026

Kim eventually develops the ability to enter into a trance state, which Kipling portrays as a source of willpower and focus. — Livia Gershon, JSTOR Daily, 7 July 2026

Of course, exercise psychology isn't an exact science and discipline/willpower helps people overcome all kinds of potential barriers. — Matt Parrott, Arkansas Online, 5 July 2026

Word History

First Known Use

1850, in the meaning defined above

Rhymes for willpower

• airpower
• brainpower
• devour
• empower
• firepower
• horsepower
• manpower
• mayflower
• safflower
• sunflower
• wallflower
• watchtower

Kids Definition

willpower

noun

will·​pow·​er ˈwil-ˌpau̇(-ə)r 

: strong determination

the temptation tested her willpower