Standard Lemma guide

heartstring

noun · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

singular of heartstrings

A tendon or other structure resembling a cord once thought to be attached to, or to brace, the heart.

Definition source: English Wiktionary via Wiktextract

Usage: historical, rare

Topics: anatomy, medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

singular of heartstrings

A source of one's deepest emotions or inner feelings, especially compassion or love.

Definition source: English Wiktionary via Wiktextract

Usage: figuratively, rare

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

singular of heartstrings

The essential or vital part of something; the core, the essence, the heart.

Definition source: English Wiktionary via Wiktextract

Usage: archaic, figuratively, rare

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: crux, gist, bowels, sum, brass tacks, core, essence, drift, guts, gravamen, heart, heart and soul, heartstring, heartstrings, inwardness, kernel, marrow, meat, moral of the story, nitty-gritty, nub, nuts and bolts, pith, punctum saliens, quintessence, soul, spirit, stuff, substance, tenor

Antonyms: none provided

History

Etymology

From heart + string.