fine line

noun

"fine-line" is a 8-letter English headword indexed on PlainSpell.

The verdict

“fine line” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
9
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A difference, albeit vague and difficult to discern.

Corpus desk

Index EN-fine-line · fine line · English

fine line · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "F" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for fine line
PropertyValue
Headwordfine line
LanguageEnglish
Part of speechNoun
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “fine line” in English

fine lineranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

fine line is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A difference, albeit vague and difficult to discern.".

No generated misspelling entries exist for fine line in our index, since its letter sequence doesn't invite the usual edit-distance slips. No confusable counterpart is on file for this word, which typically means the spelling is too distinctive to be mistaken for another word.

This entry's etymology isn't recorded, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct English form is fine line, spelled F-I-N-E- -L-I-N-E.

Definition

  1. 1
    A difference, albeit vague and difficult to discern.

Recorded use

Wiktionary examples

These source excerpts show how fine line appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. There's a fine line between fishing and just standing on the shore like an idiot.
  2. "We're not arrogant, we're confident about what we're doing," says Hill, "But there's a fine line between them, isn't there?"

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "fine line"?
"fine line" is spelled F-I-N-E- -L-I-N-E.
What does "fine line" mean?
As a noun, "fine line" means: A difference, albeit vague and difficult to discern.
What language does "fine line" come from?
"fine line" is a English word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list