very thin, as thin as a hair
A fishing line made from hair.
The line along one's forehead where hair starts growing.
A very thin line in writing, drawing, or typography.
A very thin fissure.
Wiry, lean, scrawny.
Tough to the bite, as containing too much sinew or string tissue.
Resembling or involving text strings.
Of a sighting, unlikely to be accurate; probably based on a misidentification, whether innocent or deliberate.
Composed of, or resembling, string or strings.