— embitterer , n. — embitterment , n.
/em bit"euhr/ , v.t.
1. to make bitter; cause to feel bitterness: Failure has embittered him.
2. to make bitter or more bitter in taste.
Also, imbitter .
[ 1595-1605; EM- 1 + BITTER ]
Syn. 1. sour, rankle, envenom.