Meaning of the word "someone's heart sinks" in English

What does "someone's heart sinks" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

someone's heart sinks

US /ˈsʌm.wʌnz hɑːrt sɪŋks/
UK /ˈsʌm.wʌnz hɑːrt sɪŋks/
"someone's heart sinks" picture

Idiom

1.

if someone's heart sinks, they feel disappointed or sad

Example:
When I saw the long queue, my heart sank.
Her heart sank when she realized she had lost her passport.
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