Some antonyms would be: Decline, cessation, or halting.
http://thesaurus.reference.com/browse/process?qsrc=2890 has a list of synonyms and antonyms
Antonyms
antonyms
What are the antonyms for cavernous
what isbrief of antonyms
antonyms
antonyms
antonyms
antonyms for slender
Antonyms
yes antonyms are opposite
antonyms