adverb

 

except except for what has just been referred to

She hurt her arm in the accident, but otherwise she was fine.

 

different different to what has just been stated

It's obvious they're in love, so it's silly of them to pretend otherwise.

 

conjunction

 

used when saying what will happen if someone does not obey an order or do what has been suggested

You'd better phone home, otherwise your parents will start to worry.