lose by

lose by

To fail to succeed (at some competitive activity) by a certain margin. A noun or pronoun can be used between "lose" and "by." I can't believe we lost by just two points—a single field goal and we would have won! He lost the student election by roughly 50 votes.
See also: by, lose
Farlex Dictionary of Idioms.

lose by something

to be defeated by a certain amount. Our team lost by ten points. I only lost by a few points.
See also: by, lose
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • angle
  • angling
  • not do (someone or oneself) any favors
  • involve with
  • involve with (someone or something)
  • involved with
  • arrange for
  • arrange for some time
  • arrange some music for
  • ask back