Heart and Key

Heart

Heart noun - The capacity for feeling for another's unhappiness or misfortune.

Show all Definitions

Key and heart are semantically related. In some cases you can use "Key" instead a noun "Heart".

Nearby Words: hearty, heartless, hearten, heartily, hear

Key noun - An explanatory list of the symbols on a map or chart.

Show all Definitions

Heart and key are semantically related. Sometimes you can use "Heart" instead a noun "Key".

Nearby Words: keyed, keyboard, keying

old	old heart	old key
physical	physical heart	physical key
original	original heart	original key
fake	fake heart	fake key
Other adjectives: free, true, small, actual, real, large, big, blue, bad, main, new, glowing, extra, gigantic, last, literal, giant, red.

In Bridge of Birds by Barry Hughart removing one's heart is a key to invulnerability.

Source: Beat Still, My Heart
The Power of Love: "You can unlock any door, if you only have the key." According to Paul Williams' Theme Song Flying Dreams, "Love is the key."Nicodemus: Courage of the heart is very rare.

Source: Western Animation / The Secret of NIMH
Rules: No sword, shield, boomerang, ring, potion, heart container (3-heart challenge), power bracelet, blue candle, magic key, or book of magic.

Source: Self-Imposed Challenge

Cite this Source

Key and Heart. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/heart/key

Heart & Key. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/heart/key>.

Key or Heart. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/heart/key.

Google Ngram Viewer shows how "heart" and "key" have occurred on timeline