[1] : The Collaborative International Dictionary of English v.0.48

odds \odds\ o^dz, n. sing.  pl. see odd, a.
   1. difference in favor of one and against another; excess of
      one of two things or numbers over the other; inequality;
      advantage; superiority; hence, excess of chances;
      probability. the odds are often expressed by a ratio; as,
      the odds are three to one that he will win, i. e. he will
      win three times out of four "preeminent by so much odds."
      --milton. "the fearful odds of that unequal fray."
      --trench.
      1913 webster

            the odds
            is that we scarce are men and you are gods. --shak.
      1913 webster

            there appeared, at least, four to one odds against
            them.                                 --swift.
      1913 webster

            all the odds between them has been the different
            scope . . . given to their understandings to range
            in.                                   --locke.
      1913 webster

            judging is balancing an account and determining on
            which side the odds lie.              --locke.
      1913 webster

   2. quarrel; dispute; debate; strife; -- chiefly in the phrase
      at odds.
      1913 webster

            set them into confounding odds.       --shak.
      1913 webster

            i can not speak
            any beginning to this peevish odds.   --shak.
      1913 webster

   at odds, in dispute; at variance. "these squires at odds
      did fall." --spenser. "he flashes into one gross crime or
      other, that sets us all at odds." --shak.

   it is odds, it is probable; same as odds are, but no
      longer used. obs. --jer. taylor.

   odds are it is probable; as, odds are he will win the gold
      medal.

   odds and ends, that which is left; remnants; fragments;
      refuse; scraps; miscellaneous articles. "my brain is
      filled . . . with all kinds of odds and ends." --w.
      irving.

   slim odds low odds; poor chances; as, there are slim odds
      he will win any medal.
      1913 webster +pjc
see also:
odd at odds it is odds odds are odds and ends slim odds 

Slim >> S Words
Slim, definition of term: Slim
slim_pag1.html

Odds >> O Words
Odds, definition of term: Odds
odds_pag1.html

At Odds >> A Words
At Odds, definition of term: At Odds
at+odds_pag1.html