Meaning of the word ruinous in English

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

ruinous

US /ˈruː.ə.nəs/
UK /ˈruː.ə.nəs/

Adjective

1.

causing great harm and destruction:

Example:
ten ruinous years of war
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