gnat's whisker

Minuscule distance measurement

A gnat's whisker is an extremely small distance or margin—the tiniest measurable difference: The election was decided by a gnat's whisker.

Like similar expressions (hair's breadth, razor's edge), it emphasizes how close something came to going differently.

Sometimes shortened to simply a whisker.

Related

pinpointing · minuscule · atomic · jot · diminutive · granularity · fine line · iota · tiny · near miss · negligible · close shave · wee · exactitude · slight · shred · fine-tuning · accuracy

Opposites
distance/measurement size

gnat's whiskermile

5,280 feet

country mile · light-year · world of difference · miles apart · long way

Family

gnat, gnats, whisker, whiskers, whiskered

Familiarity
Top 500,000
Profile
Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G