Synonyms of the word

temerity

• n. (not countable) Reckless boldness; foolish bravery.
• n. (countable) An act or case of reckless boldness.
• n. (not countable) Effrontery; impudence.

audaciousness

• n. Risky or daring behaviour.
• n. impudence.

audacity

• n. Insolent boldness, especially when imprudent or unconventional.
• n. Fearlessness, intrepid or daring, especially with confident disregard for personal safety, conventional…

boldness

• n. The state of being bold; courage.
• n. presumptuousness.
• n. (typography) The relative weight of a font; the thickness of its strokes.

daring

• v. present participle of dare.
• adj. Adventurous, willing to take on or look for risks.
• adj. Courageous, or showing bravery.
• n. Boldness.

hardihood

• n. Unyielding boldness and daring; firmness in doing something that exposes one to difficulty, danger, or…
• n. Excessive boldness; foolish daring; offensive assurance.

hardiness

• n. The state of being hardy, especially (of a plant) of being resistant to cold or other environmental conditions.
• n. (obsolete) hardihood; boldness; firmness; assurance.
• n. (obsolete) hardship; fatigue.