Meaning of the word unthinkable in English

What does unthinkable mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

unthinkable

US /ʌnˈθɪŋ.kə.bəl/
UK /ʌnˈθɪŋ.kə.bəl/

Adjective

1.

so shocking that it cannot be imagined as possible:

Example:
Today, we see growing acceptance of gay marriage - something that would have been unthinkable a generation ago.
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