lineal

/ˈlɪni.əl/

//ˈlɪni.əl// adj

By · According to Wiktionary data (CC BY-SA) ·

"lineal" is a 6-letter English headword indexed on PlainSpell.

The verdict

“lineal” is uncommon English (frequency #57,519 among 16,425 “L” headwords), classed as an adjective. The kind of spelling people second-guess.

#57,519
frequency rank, English
16,425
“L” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Pertaining to lines; consisting of lines.

Key facts for lineal
PropertyValue
Headwordlineal
LanguageEnglish
Part of speechAdjective
IPA/ˈlɪni.əl/
Letters6
Frequency rank#57,519
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “lineal” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). lineal lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

lineal is uncommon English at frequency #57,519 among 16,425 “L” headwords, classed as anadjective, transcribed /ˈlɪni.əl/. Rarity is why readers land here mid-draft. 5 senses are on record.

No misspelling variants are generated for lineal in our index, which points to an orthography that plays by predictable English rules. No confusable counterpart is on file for this word, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: From Old French lineal, from Latin līneālis, from līnea (“a line”) + -ālis (adjective-forming suffix). By surface analysis, line + -al. Doublet of linear. The correct English form is lineal, spelled L-I-N-E-A-L.

Definition

  1. 1
    Pertaining to lines; consisting of lines.
  2. 2
    Relating to aspects of lineage, such as descent, succession, inheritance or consanguinity.
  3. 3
    In the direction of a line; measured or ascertained by a line.
  4. 4
    Line-drawn; composed of lines.
  5. 5
    Sans serif.

Etymology

From Old French lineal, from Latin līneālis, from līnea (“a line”) + -ālis (adjective-forming suffix). By surface analysis, line + -al. Doublet of linear.

Antonyms

collateral

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "lineal"?
"lineal" is spelled L-I-N-E-A-L. The IPA pronunciation is /ˈlɪni.əl/.
What does "lineal" mean?
As an adjective, "lineal" means: Pertaining to lines; consisting of lines.
How do you pronounce "lineal"?
The IPA (International Phonetic Alphabet) transcription for "lineal" is /ˈlɪni.əl/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "lineal"?
From Old French lineal, from Latin līneālis, from līnea (“a line”) + -ālis (adjective-forming suffix). By surface analysis, line + -al. Doublet of linear. See the full etymology section above for more details.
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.

Using “lineal”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is L-I-N-E-A-L - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈlɪni.əl/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words

Other uncommon English words near this rank

Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list