narrow margin

narrow margin
    n 1: a small margin; "the president was not humbled by his
         narrow margin of victory"; "the landslide he had in the
         electoral college obscured the narrowness of a victory
         based on just 43% of the popular vote" [syn: {narrow
         margin}, {narrowness}, {slimness}]
    

18 Moby Thesaurus words for "narrow margin":
      delicacy, delicate distinction, differentia, differential,
      distinction, fine point, hairline, margin, nice distinction,
      nicety, nuance, particle of difference, point of difference,
      refinement, shade of difference, subtle distinction, subtlety,
      wide margin