Definition of Ruinous

1. Adjective. Extremely harmful; bringing physical or financial ruin. "A ruinous course of action"

Exact synonyms: Catastrophic
Similar to: Harmful
Derivative terms: Ruin, Ruin

2. Adjective. Causing injury or blight; especially affecting with sudden violence or plague or ruin. "A ruinous war"
Exact synonyms: Blasting
Similar to: Destructive

Definition of Ruinous

1. a. Causing, or tending to cause, ruin; destructive; baneful; pernicious; as, a ruinous project.

Definition of Ruinous

1. destructive [adj] - See also: destructive

Lexicographical Neighbors of Ruinous

ruin
ruinable
ruinate
ruinated
ruinates
ruinating
ruination
ruinations
ruined
ruiner
ruiners
ruing
ruings
ruining
ruinings
ruinous (current term)
ruinously
ruinousness
ruinousnesses
ruins
rukh
rukh
rukhs
RUL
rulable
rule
rule
rule-governed
ruled
ruleless

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