Standard Lemma guide

baseline

noun · verb · 10 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • /ˈbeɪslaɪn/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • homophone: bassline
  • CMU ARPABET: B EY1 S L AY2 N Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

A line that is a base for measurement or for construction.

Definition source: English Wiktionary via Wiktextract

Examples

  • A laser level generates a convenient baseline for interior work.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A datum used as the basis for calculation or for comparison.

Definition source: English Wiktionary via Wiktextract

Examples

  • We used the last doctor visit to provide baselines for vital statistics.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

A line used as the basis for the alignment of glyphs.

Definition source: English Wiktionary via Wiktextract

Topics: media, publishing, typography

Examples

  • Several characters typically have descenders below the lower baseline.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

The line at the farthest ends of the court indicating the boundary of the area of play.

Definition source: English Wiktionary via Wiktextract

Topics: hobbies, lifestyle, sports, tennis

Examples

  • The umpire missed the call. The ball hit the baseline.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

A configuration of software, hardware, or a process that is established and documented as a point of reference.

Definition source: English Wiktionary via Wiktextract

Topics: engineering, natural-sciences, physical-sciences

Examples

  • The baseline configuration includes unsupported components.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

verb

Meaning 6

To provide a baseline for measurement.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

verb

Meaning 7

To play from the baseline.

Definition source: English Wiktionary via Wiktextract

Usage: intransitive

Topics: hobbies, lifestyle, sports, tennis

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

noun

Meaning 8

the lines a baseball player must follow while running the bases

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: line

9

noun

Meaning 9

the back line bounding each end of a tennis or handball court; when serving the server must not step over this line

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: service line

Antonyms: none provided

Broader terms: line

10

noun

Meaning 10

an imaginary line or standard by which things are measured or compared

Definition source: Princeton WordNet 3.0

Examples

  • the established a baseline for the budget

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: standard, criterion, measure, touchstone

History

Etymology

From base + line.

Across languages

Translations

59 source translations are retained for this English entry.

  • Finnish: perusviiva — line that is a base for measurement or for construction
  • German: Grundlinie — line that is a base for measurement or for construction
  • German: Bezugslinie — line that is a base for measurement or for construction
  • German: Basislinie — line that is a base for measurement or for construction
  • German: Basallinie — line that is a base for measurement or for construction
  • Ido: bazolineo — line that is a base for measurement or for construction
  • Irish: bonnlíne — line that is a base for measurement or for construction
  • Irish: bunlíne — line that is a base for measurement or for construction
  • Manx: bun-linney — line that is a base for measurement or for construction
  • Spanish: línea basal — line that is a base for measurement or for construction
  • Finnish: lähtökohta — datum used as the basis for calculation or for comparison
  • Finnish: vertailukohta — datum used as the basis for calculation or for comparison
  • French: référence — datum used as the basis for calculation or for comparison
  • German: Ausgangswert — datum used as the basis for calculation or for comparison
  • German: Bezugswert — datum used as the basis for calculation or for comparison
  • German: Bezugspunkt — datum used as the basis for calculation or for comparison
  • German: Startwert — datum used as the basis for calculation or for comparison
  • Irish: bonnlíne — datum used as the basis for calculation or for comparison
  • Irish: bunlíne — datum used as the basis for calculation or for comparison
  • Italian: riferimento — datum used as the basis for calculation or for comparison
  • Manx: bun-linney — datum used as the basis for calculation or for comparison
  • Portuguese: referência — datum used as the basis for calculation or for comparison
  • Spanish: referencia — datum used as the basis for calculation or for comparison
  • Spanish: línea de base — datum used as the basis for calculation or for comparison
  • Spanish: punto de referencia — datum used as the basis for calculation or for comparison
  • Spanish: punto referencial — datum used as the basis for calculation or for comparison
  • Spanish: línea referencial — datum used as the basis for calculation or for comparison
  • Chinese Mandarin: 基綫 /基线 (jīxiàn) — typography: line used as the basis for the alignment of glyphs
  • Czech: účaří — typography: line used as the basis for the alignment of glyphs
  • Esperanto: bazlinio — typography: line used as the basis for the alignment of glyphs
  • Esperanto: baza linio — typography: line used as the basis for the alignment of glyphs
  • Finnish: peruslinja — typography: line used as the basis for the alignment of glyphs
  • Finnish: jalkalinja — typography: line used as the basis for the alignment of glyphs
  • German: Schriftlinie — typography: line used as the basis for the alignment of glyphs
  • German: Grundlinie — typography: line used as the basis for the alignment of glyphs
  • Hungarian: alapvonal — typography: line used as the basis for the alignment of glyphs
  • Irish: bonnlíne — typography: line used as the basis for the alignment of glyphs
  • Irish: bunlíne — typography: line used as the basis for the alignment of glyphs
  • Manx: bun-linney — typography: line used as the basis for the alignment of glyphs
  • Persian: خط کرسی (xatt-e korsi) — typography: line used as the basis for the alignment of glyphs
  • Russian: базовая линия (bazovaja linija) — typography: line used as the basis for the alignment of glyphs
  • Russian: линия шрифта (linija šrifta) — typography: line used as the basis for the alignment of glyphs
  • Chinese Mandarin: 底线 (dǐxiàn) — tennis: chalk line at the farthest ends of the court
  • Finnish: takaraja — tennis: chalk line at the farthest ends of the court
  • French: ligne de fond de court — tennis: chalk line at the farthest ends of the court
  • French: ligne de fond — tennis: chalk line at the farthest ends of the court
  • German: Grundlinie — tennis: chalk line at the farthest ends of the court
  • Irish: bunlíne — tennis: chalk line at the farthest ends of the court
  • Spanish: línea de fondo — tennis: chalk line at the farthest ends of the court
  • Swedish: baslinje — tennis: chalk line at the farthest ends of the court
  • German: Grundwerte — engineering: something established and documented as a point of reference
  • German: Vergleichsbasis — engineering: something established and documented as a point of reference
  • German: Basiswert — engineering: something established and documented as a point of reference
  • German: Basislinie — engineering: something established and documented as a point of reference
  • German: Ausgangsbasis — engineering: something established and documented as a point of reference
  • German: Basisszenario — engineering: something established and documented as a point of reference
  • German: Grundlage — engineering: something established and documented as a point of reference
  • German: Ausgangslage — engineering: something established and documented as a point of reference
  • Spanish: línea base — engineering: something established and documented as a point of reference