noun · 13 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.
/ˈælt.ɪˌtjuːd/
/ˈælt.ɪˌt͡ʃuːd/yod-coalescence
/ˈælt.ɪˌtuːd/yod-dropping
Southern-England:Recorded audio is listed in the source snapshot.
CMU ARPABET:AE1 L T AH0 T UW2 D
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
The absolute height of a location, usually measured from sea level.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Examples
As the altitude increases, the temperature gets lower, so remember to bring warm clothes to the mountains.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
A vertical distance.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
The line perpendicularly connecting a figure’s vertex, especially a triangle’s apex, to the side opposite to the vertex.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: geometry, mathematics, sciences
Examples
All three altitudes of any triangle will always meet at point known as the orthocentre or orthocenter.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
noun
Meaning 4
The length of such a line; the distance measured perpendicularly from a figure's vertex to the side opposite to the vertex.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: geometry, mathematics, sciences
Examples
The perpendicular height of a triangle is known as its altitude.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
noun
Meaning 5
The angular distance of a heavenly body above our Earth's horizon.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: astronomy, natural-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
6
noun
Meaning 6
Height of rank or excellence; superiority.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
7
noun
Meaning 7
Elevation of spirits; heroics; haughty airs.
Definition source: English Wiktionary via Wiktextract
Usage: countable, dated, in-plural, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
8
noun
Meaning 8
Highest point or degree.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
9
noun
Meaning 9
Krull dimension.
Definition source: English Wiktionary via Wiktextract
Usage: countable, dated, uncountable
Qualifier: commutative algebra
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
10
noun
Meaning 10
Height.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Qualifier: commutative algebra
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
11
noun
Meaning 11
elevation especially above sea level or above the earth's surface
Definition source: Princeton WordNet 3.0
Examples
the altitude gave her a headache
Meaning relationships
Synonyms: height
Antonyms: none provided
Broader terms: elevation
Narrower terms: level, ceiling
12
noun
Meaning 12
angular distance above the horizon (especially of a celestial object)
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: elevation, EL, ALT
Antonyms: none provided
Broader terms: angular position
13
noun
Meaning 13
the perpendicular distance from the base of a geometric figure to the opposite vertex (or side if parallel)
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: distance, length
History
Etymology
From Middle English, borrowed from Latin altitūdō (“height”), from altus (“high”).
Across languages
Translations
108 source translations are retained for this English entry.