dirty

adjective1 of 2

not clean

• “It's their dirty family secret and it must remain so.”Tatoeba
• “If you want something to change, get your hands dirty.”Tatoeba

Sentences from Tatoeba show real usage. A word can have several meanings, so a sentence may use another one.

verb2 of 2

To stain or tarnish (somebody) with dishonor.