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

sometimes \some"times`\, a.
   former; sometime. obs.
   1913 webster

         thy sometimes brother's wife.            --shak.
   1913 webster

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

sometimes \some"times`\, adv. sometime + adverbial ending -s,
   as in -wards.
   1. formerly; sometime. obs.
      1913 webster

            that fair and warlike form
            in which the majesty of buried denmark
            did sometimes march.                  --shak.
      1913 webster

   2. at times; at intervals; not always; now and then;
      occasionally.
      1913 webster

            it is good that we sometimes be contradicted. --jer.
                                                  taylor.
      1913 webster

   sometimes . . . sometimes, at certain times . . . at
      certain other times; as, sometimes he is earnest,
      sometimes he is frivolous.
      1913 webster
see also:
sometimes . . . sometimes 

[3] : WordNet (r) 2.0

sometimes
     adv : on certain occasions or in certain cases but not always;
           "sometimes she wished she were back in england";
           "sometimes her photography is breathtaking"; "sometimes
           they come for a month; at other times for six months"

Sometimes >> S Words
Sometimes, definition of term: Sometimes
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