A couple of words that are opposite of regualr are irregular and unusual.
if the two forces are acting in an opposit direction they can not be in equilibrum.but if they acting in thesame direction from different angles they can be in equilibrum.
it is regular
regular
its a not regular polygon
a "regular" one
Why
Miser!
Hard
stone opposit
There are no words in the thesaurus for the opposite of that.
Latter
environment
Disprove.
are you seli
stone opposit
rain
One