ruinous
adjective
[ ˈruːɪnəs ]
• disastrous or destructive.
• "a ruinous effect on the environment"
Similar:
disastrous,
devastating,
catastrophic,
calamitous,
cataclysmic,
crippling,
crushing,
dire,
injurious,
damaging,
destructive,
harmful,
costly,
• in ruins; dilapidated.
• "the castle is ruinous"
Similar:
derelict,
in ruins,
ruined,
gone to rack and ruin,
dilapidated,
tumbledown,
ramshackle,
broken-down,
decrepit,
in disrepair,
falling to pieces,
falling apart,
crumbling,
decaying,
disintegrating,
neglected,
uncared-for,
shambly,
shacky,
Origin:
late Middle English (also in the sense ‘falling down’): from Latin ruinosus, from ruina (see ruin).