fine line
Proposed by a contributor, not yet supported by evidence.
Meaning · English
A narrow difference between two things
Literally: a thin line separating two areas
Where it’s used:
Used
Widespread English
Examples
She had to walk a fine line between her personal and professional life
AI-drafted example auto-approved by rule (illustrative, not a corpus attestation)
Sources & notes
Listed in Wiktionary’s “English idioms” category (retrieved 2026-07-29); definition pending editorial review. Definition drafted by AI (@cf/meta/llama-3.3-70b-instruct-fp8-fast) and auto-approved by rule on 2026-07-30; pending editor spot-check.
Common questions
What does “fine line” mean?
A narrow difference between two things Literally: a thin line separating two areas
Is “fine line” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.