"damaging" in the verb sense

1. damage

inflict damage upon

"The snow damaged the roof"

"She damaged the car when she hit the tree"

2. damage

suffer or be susceptible to damage

"These fine china cups damage easily"

"damaging" in the adjective sense

1. damaging, detrimental, prejudicial, prejudicious

sometimes followed by `to') causing harm or injury

"damaging to career and reputation"

"the reporter's coverage resulted in prejudicial publicity for the defendant"

2. damaging, negative

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

"negative criticism"

Source: WordNet® (An amazing lexical database of English)

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