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ruin

1 ruin /ˈruːwən/ verb
ruins; ruined; ruining
1 ruin
/ˈruːwən/
verb
ruins; ruined; ruining
Britannica Dictionary definition of RUIN
[+ object]
: to damage (something) so badly that it is no longer useful, valuable, enjoyable, etc. : to spoil or destroy (something)
: to cause (someone) to lose money, social status, etc.
2 ruin /ˈruːwən/ noun
plural ruins
2 ruin
/ˈruːwən/
noun
plural ruins
Britannica Dictionary definition of RUIN
[noncount] : a state of complete destruction : a state of being ruined
[count] : the remaining pieces of something that was destroyed usually plural
sometimes used figuratively
[noncount] : the state of having lost money, social status, etc.
[singular] : something that badly damages someone physically, morally, economically, or socially

in ruins

: destroyed with some pieces or parts remaining sometimes used figuratively