HeyRua Get the app

Baseline in Irish (Bonnlíne): Meaning, Pronunciation, Usage

‘bonnlíne’ also means: bottom line

The Irish for baseline is bonnlíne, a feminine noun (plural bonnlínte).
Updated October 2026Report a mistake

How to say “baseline” in Irish

Irish:
bonnlíne
English:
baseline, bottom line
Word type:
noun
Gender:
feminine
Pronunciation:
“BOWN-leen-yuh”  /ˈbˠəunˠˌlʲiːnʲə/
Various forms
Plural:
bonnlínte (baselines)
Genitive singular:
bonnlíne, na bonnlíne (e.g. fad na bonnlíne, length of the baseline)
Genitive plural:
bonnlínte, na mbonnlínte (e.g. tomhas na mbonnlínte, the measurement of the baselines)

What does “bonnlíne” mean?

“Bonnlíne” has two alternative meanings. The most common comes first.

baseline
A base line from which measurements are taken, or a starting level used for comparison.Also: base line, reference line.
1 other meaning: bottom line
2bottom line
A line at the bottom or base of something, such as the base line of a figure or the line of a court in games.Also: base line, line at the base.

“Bonnlíne” with the article

The plural of baseline in Irish is bonnlínte. Here is bonnlíne after the article (an t-alt), in the singular and the plural.

an bhonnlíne
the baseline
Lenition: b becomes bh after an (feminine noun)
na bonnlínte
the baselines
Plural: no change after na

“Bonnlíne” in a sentence: Irish examples

Common Irish sentences using bonnlíne, the Irish word for baseline.

Tarraing bonnlíne ar bhun an leathanaigh.
Draw a baseline at the bottom of the page.
Thosaigh an tomhas ón mbonnlíne.
The measurement started from the baseline.
Sheas an t-imreoir ar an mbonnlíne.
The player stood on the baseline.
Is é seo luach na bonnlíne.
This is the baseline value.
Bhí dhá bhonnlíne éagsúla sa staidéar.
There were two different baselines in the study.
Chuireamar na torthaí i gcomparáid leis an mbonnlíne.
We compared the results with the baseline.
Socraíodh bonnlínte nua don tionscadal.
New baselines were set for the project.

Other nouns in Irish

More everyday Irish nouns to learn next.

Baseline in Irish: frequently asked questions

What is the Irish for baseline?

The Irish for baseline is bonnlíne (pronounced “BOWN-leen-yuh”). It’s a feminine noun and the plural is bonnlínte. Depending on context it can also mean bottom line.

How do you pronounce bonnlíne in Irish?

Bonnlíne is said like “BOWN-leen-yuh” (IPA /ˈbˠəunˠˌlʲiːnʲə/).

What is the plural of baseline in Irish?

The plural of bonnlíne is bonnlínte; with the article, na bonnlínte means “the baselines”. The genitive plural is bonnlínte, as in tomhas na mbonnlínte (the measurement of the baselines).

Does bonnlíne have more than one meaning?

Yes. Bonnlíne can mean baseline or bottom line, depending on context; the first is the most common.

Why does bonnlíne change to bhonnlíne or mbonnlíne?

Irish changes the start of some words after certain words. After mo (my) bonnlíne becomes mo bhonnlíne (lenition), and after ár (our) or i (in) it becomes ár mbonnlíne (eclipsis).

How is bonnlíne formed?

It combines bonn 'base, sole' with líne 'line', so bonnlíne is literally 'base line'.

Learn Irish by
actually speaking it

Learn everyday Irish words like bonnlíne through guided conversation with Rua.

7-day free trial. Cancel anytime.

The HeyRua app home screen