---

Definition/Meaning

(adjective)

causing damage, destruction, or ruin;

e.g. The chemicals in this fertilizer have a ruinous effect on the environment.

---

Similar Words

Antibiotic

Biocidal

Calamitous

Cataclysmic

Damning

Destructive

Devastating

Disastrous

Fatal

Fateful

Unfortunate

---

Opposite Words

Anodyne

Auspicious

Benign

Constructive

Creative

Encouraging

Fair

Favorable

Fluky

Formative

Fortuitous

Fortunate

Golden

Happy

Harmless

Healthful

Healthy

Helpful

Hopeful

Lucky

Nondestructive

Nonfatal

Nonthreatening

Nonvenomous

Optimistic

Preservative

Productive

Promising

Propitious

Providential

Rose-colored

Rosy

Safe

Salubrious

Upbeat

Useful

White

Wholesome

---

Related Words

Adverse

Adversely

And

Antibiotic

Apocalyptic

Baleful

Baneful

Bang-bang

Biocidal

Blood-and-guts

Convulsive

Counter

Damaging

Dangerous

Deadly

Deathly

Deleterious

Detrimental

Disadvantageous

Evil

Explosive

Fatal

Fell

Ferocious

Fierce

Furious

Hammer and tongs

Hapless

Harmful

Hostile

Hot

Hurtful

Ill

Ill-fated

Ill-starred

Inimical

Injurious

Killer

Lethal

Mischievous

Mortal

Murderous

Negative

Noxious

Pernicious

Pestilent

Poisonous

Prejudicial

Rabid

Rough

Stormy

Tempestuous

Tumultuous

Turbulent

Unfavorable

Unfriendly

Unsympathetic

Untoward

Violent

Virulent

Vital

Volcanic

Wicked

---

Comments

---

Company