Dictionary and Thesaurus

Definition of Ruinous

• (a.) Causing, or tending to cause, ruin; destructive; baneful; pernicious; as, a ruinous project.
• (a.) Characterized by ruin; ruined; dilapidated; as, an edifice, bridge, or wall in a ruinous state.
• (a.) Composed of, or consisting in, ruins.

Synonyms of Ruinous

• Blasting
• Catastrophic
• Blaring
• Pernicious
• Bad
• Evil
• Mischievous
• Pestilential
• Baneful
• Foul
• Noisome
• Poisonous
• Deadly
• Harmful
• Noxious
• Deleterious
• Hurtful
• Perverting
• Unhealthful
• Destructive
• Injurious
• Pestiferous
• Unwholesome
• Detrimental
• Insalubrious

Antonyms of Ruinous

• Harmless
• Constructive
• Advantageous
• Salutary
• Wholesome
• Invigorating
• Rejuvenating
• Useful
• Beneficial
• Healthful
• Life-Giving
• Favorable
• Helpful
• Profitable
• Serviceable
• Beneficent
• Good

Homophones of Ruinous