damaging
adjectiveUK /ˈdæmɪdʒɪŋ/
US /ˈdæmɪdʒɪŋ/
Something that is damaging makes things worse or hurts them.
Too much sun can be damaging to your skin.
OTHER MEANINGS
2. Causing physical harm or injury to something.
The storm was damaging to the old roof.
3. Having a bad effect on someone's reputation or chances.
The rumor was damaging to his career.
4. Causing problems or making a situation worse.
Lack of sleep is damaging to your health.