Synonyms of hairline

1 Syllable
faint, slight, fine, deep, thin
2 Syllables
subtlest, implied, mental, profound, tenuous, subtler
3 Syllables
inferred, finespun, indirect, ingenious, indistinct, ethereal, hairsplitting, refined
4 Syllables
illusive, insinuated, penetrating, suggestive, attenuate, exquisite, delicate, inconspicuous, attenuated, understated
5 Syllables
sophisticated, discriminating