thin line
Barely visible border
A thin line is a narrow margin or subtle distinction between two things, especially when one risks becoming the other: There's a thin line between confidence and arrogance.
The phrase emphasizes how easily someone might cross from acceptable to unacceptable territory.
Often appears as a fine line with the same meaning.
- fineAcceptable in quality
- narrowOf small width
- edgeBoundary or sharpness
- razor's edgePrecarious dividing line
- boundaryLine marking a limit
border · love and hate · life and death · razor · knife edge · tightrope · tight rope · delicate · hairline · sliver · thread · balance · divide · margin · distinction · subtle · precarious · wire
thin linewide gap
Substantial distance between
world of difference · miles apart · night and day · worlds apart · stark contrast
thin linebright line
Unambiguous legal boundary
hard line · firm boundary · black and white · stark contrast
thin, line, thinner, thinnest, thinly, thinness, thins, thinned, thinning