Synonyms of the word

mettle

• n. A quality of endurance and courage.
• n. Good temperament and character.
• n. (obsolete) Metal; a metallic substance.

braveness

• n. The characteristic of being brave.

bravery

• n. (usually uncountable) Being brave, courageousness.
• n. (countable) A brave act.
• n. Splendor, magnificence.

courage

• n. The quality of a confident character not to be afraid or intimidated easily but without being incautious…
• n. The ability to do things which one finds frightening.
• v. (obsolete) To encourage.

courageousness

• n. the state of being courageous.

heart

• n. (anatomy) A muscular organ that pumps blood through the body, traditionally thought to be the seat of…
• n. (uncountable) Emotions, kindness, moral effort, or spirit in general.
• n. The seat of the affections or sensibilities, collectively or separately, as love, hate, joy, grief, courage,…
• n. Courage; courageous purpose; spirit.
• n. Vigorous and efficient activity; power of fertile production; condition of the soil, whether good or bad.
• n. (archaic) A term of affectionate or kindly and familiar address.
• n. A conventional shape or symbol used to represent the heart, love, or emotion: ♥ or sometimes <3.
• n. A playing card of the suit hearts featuring one or more heart-shaped symbols.
• n. The centre, essence, or core.
• v. (transitive, poetic or humorous) To be fond of. Often bracketed or abbreviated with a heart symbol.
• v. (transitive, obsolete) To give heart to; to hearten; to encourage.
• v. (transitive, masonry) To fill an interior with rubble, as a wall or a breakwater.
• v. (intransitive, agriculture, botany) To form a dense cluster of leaves, a heart, especially of lettuce…

nerve

• n. (zoology) A bundle of neurons with their connective tissue sheaths, blood vessels and lymphatics.
• n. (nonstandard, colloquial) A neuron.
• n. (botany) A vein in a leaf; a grain in wood.
• n. Courage, boldness.
• n. Patience.
• n. Stamina, endurance, fortitude.
• n. Audacity, gall.
• n. (in the plural) Agitation caused by fear, stress or other negative emotion.
• n. (obsolete) Sinew, tendon.
• v. (transitive) To give courage.
• v. (transitive) To give strength.

spunk

• n. (countable, obsolete) A spark.
• n. (uncountable) Touchwood; tinder.
• n. (countable, chiefly Scotland, obsolete) A piece of tinder, sometimes impregnated with sulphur; a match.
• n. (uncountable) Courage; spirit; mettle; determination.
• n. (countable, Britain, Australia, New Zealand, slang) An attractive person (normally male).
• n. (uncountable, chiefly Britain, vulgar, slang) Semen.
• v. (slang, vulgar) To ejaculate.