Similar Words
destructive
harmful
ranch
range
rangy
rank
rawness
remake
remiss
ring
rink
rinse
rooms
ruins
rummage
rung
Misspelling
riunous, rruinous, ruiinous, ruimous, ruinnous, ruinoous, ruinou, ruinouss, ruinouz, ruinuos, runious, ruuinouus, uinous

Ruinous — synonyms, definition

1. ruinous (a)

14 synonyms
damaging damning deadly deleterious destructive detrimental fateful harmful hurtful incriminating injurious lethal pernicious serious

2. ruinous (Adjective)

2 synonyms
blasting catastrophic
2 definitions

ruinous (Adjective) — Extremely harmful; bringing physical or financial ruin. ex. "a ruinous course of action"

ruinous (Adjective) — Causing injury or blight; especially affecting with sudden violence or plague or ruin. ex. "a ruinous war"