This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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adj. Harmful, injurious, describing something that causes damage.

v. Present participle of damage.

adj. causing harm or injury.

adj. designed or tending to discredit, especially without positive or helpful suggestions.

adj. designed or tending to discredit, especially without positive or helpful suggestions

adj. (sometimes followed by `to') causing harm or injury

"Lane began by negotiating a truce in a price war in the Far East between Royal Dutch and Shell and by putting an end to what he called the damaging “battledore and shuttlecock game of accusation” between Samuel and Deterding."

destructive    harmful   

detrimental    detrimental to(predicate)    prejudicial    prejudicious    harmful    injurious   

damage