heart of glass
A heart (or by extension, person) in a very fragile romantic state: one that is easily made broken-hearted.
Meaning adapted from Wiktionary, available under CC BY-SA 4.0.
“He is careful because he has a heart of glass.”
“You must be gentle because your partner has a heart of glass.”
“Does he know that his new girlfriend has a heart of glass?”
“She avoids new relationships because she knows she has a heart of glass and fears getting hurt again.”
“After his last breakup, he realized he has a heart of glass and needs to take things much slower with new people.”
“My friend hides her heart of glass behind a tough personality so that nobody can see how easily she gets hurt.”
“I worry about my younger brother because he has a heart of glass and cries for days whenever a crush ignores his messages.”
“The poet wrote of a heart of glass, shattered by the slightest indifference of a lover who never truly understood the depth of her devotion.”
A figurative construction derived from the physical properties of glass, specifically its tendency to fracture under pressure. The metaphor relies upon the perceived fragility of the material to illustrate a corresponding susceptibility to emotional damage.
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absence makes the heart grow fonder
One feels more love or affection for those one loves when parted from them.
- 02
all heart
Motivated by positive emotions, especially as productive of exceptionally generous or kind behavior.
- 03
be still my heart
An admonition to oneself to calm down when overly excited, especially in terms of romantic attraction.
- 04
break someone's heart
To cause a person to feel grief, disappointment, or sadness.
- 05
broken heart
A feeling of grief or loss, especially after a failed romantic relationship.
- 06
change of heart
A change of one's opinion, belief or decision.
- 07
cross my heart
A declaration that the speaker is telling the truth.
- 08
cross my heart and hope to die
Added to a promise or a statement to show how serious one was about being honest in what one said
Last updated August 10, 2026