бад

I (adj.) bad; 
serious (e.g. illness); 
evil; 
2 (adv.) badly; 
~ будан бо касе to be on bad terms with someone; 
худро ~ ҳис кардан to feel bad; 
~ гуфтан дар ҳаққи касе to speak badly about someone: ~ дидан to hate; 
~ кардан to ruin; 
~ кардан to defame; 
~ омўхта кардан to teach bad things; 
to spoil (e.g. a child); 
~ намудан ба назари касе to not like someone; 
to take a dislike to someone; 
~ шудан (гардидан) to become worse; 
to become ruined; 
coll. ~ шудан бо касе to ruin with someone; 
номи ~ bad name; 
bad reputation
II (pref.) lit. (same as бa -; 
used in conjunction with the demonstratives ин, он, and ў, e.g. бад-ин, бад-он, бад-ў)