heart of glass

== English == === Etymology === By metaphor, from the notion that glass is fragile (easily broken). === Pronunciation === (Received Pronunciation) IPA(key): /ˌhɑːt ə ˈɡlɑːs/ (General American) IPA(key): /ˌhɑɹt ə ˈɡlæs/ === Noun === heart of glass (plural hearts of glass) (idiomatic, figurative) A heart (or by extension, person) in a very fragile romantic state: one that is easily made broken-hearted. ==== Related terms ==== heartbreak glass-hearted ==== Translations ==== ==== See also ==== heart of gold, heart of stone