Ruinous

/ˈruː.ɪ.nəs/

Meaning & Definition

adjective
Causing or likely to cause ruin; disastrous.
The ruinous impact of the storm left the town in shambles.
Extremely expensive or wasteful; financially destructive.
His ruinous spending habits ultimately led to bankruptcy.
Having a devastating effect on the future or prospects.
The ruinous decisions made by the management resulted in the company's downfall.

Etymology

From Middle English 'ruinous', from Latin 'ruinōsus', derived from 'ruina' meaning 'a falling down'.

Common Phrases and Expressions

ruinous behavior
Behavior that leads to severe consequences or destruction.
ruinous expenses
Costs that are excessively high or lead to financial loss.
a ruinous affair
An event or situation that brings about great misfortune.

Related Words

ruin
The physical destruction or disintegration of something.
ruinage
The process or state of decaying or falling into ruin.
ruinousness
The quality of being ruinous or destructive.

Slang Meanings

A situation that has gone terribly wrong.
That party was a total ruinous mess.
A project that is likely to fail spectacularly.
Investing in that startup is a ruinous idea.