verb
1.
to make turbid
roiled the brook with his splashings
Synonyms: mud, muddle, muddy, rile
Related Word: befoul, contaminate, dirty, pollute
Contrasted words: clear, purify, settle
2.
Synonyms: irritate , aggravate, burn (up), exasperate, grate, inflame, nettle, peeve, provoke, rile