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Alltitude vs. Altitude — Which is Correct Spelling?

Edited by Tayyaba Rehman — By Fiza Rafique — Updated on April 4, 2024
"Alltitude" is a common misspelling. "Altitude" is the correct term, referring to height above a given level, especially sea level.
Alltitude vs. Altitude — Which is Correct Spelling?

Which is correct: Alltitude or Altitude

How to spell Altitude?


Incorrect Spelling


Correct Spelling

Key Differences

"Altitude" has one 'l' just like "level."
Remember "altitude" aligns with "elevation," both having a single initial consonant.
Altitude measures how "high," not "all high."
The root "alt" means "high"; there’s no need for an extra 'l'.
Think of "altitude" as "altitude up in the air," not "all up in the air."

How Do You Spell Altitude Correctly?

Incorrect: The alltitude of the city is 2,000 meters above sea level.
Correct: The altitude of the city is 2,000 meters above sea level.
Incorrect: The plane reached an alltitude of 30,000 feet.
Correct: The plane reached an altitude of 30,000 feet.
Incorrect: Measure the mountain's alltitude.
Correct: Measure the mountain's altitude.
Incorrect: The alltitude can affect your breathing.
Correct: The altitude can affect your breathing.
Incorrect: She's afraid of high alltitude.
Correct: She's afraid of high altitude.

Altitude Definitions

A specific height or distance from the base to the top.
The plane is flying at an altitude of 36,000 feet.
The height of an object or point in relation to sea level or ground level.
The mountain has an altitude of 10,000 feet.
The vertical elevation of an object above a surface.
The drone reached a maximum altitude before descending.
A place's height above sea level affecting temperature and climate.
Plants grow differently at higher altitudes.
A measurement in the context of aviation or mountaineering.
Oxygen becomes scarce at high altitudes.
The height of a thing above a reference level, especially above sea level or above the earth's surface.
Great height or elevation
Has trouble breathing at altitude.
Often altitudes A high location or area.
(Astronomy) The angular distance above the observer's horizon of a celestial object.
(Mathematics) The perpendicular distance from the base of a geometric figure to the opposite vertex, parallel side, or parallel surface.
The absolute height of a location, usually measured from sea level.
As the altitude increases, the temperature gets lower, so remember to bring warm clothes to the mountains.
A vertical distance.
(geometry) The distance measured perpendicularly from a figure's vertex to the opposite side of the vertex.
The perpendicular height of a triangle is known as its altitude.
(astronomy) The angular distance of a heavenly body above our Earth's horizon.
Height of rank or excellence; superiority.
Elevation of spirits; heroics; haughty airs.
Highest point or degree.
Space extended upward; height; the perpendicular elevation of an object above its foundation, above the ground, or above a given level, or of one object above another; as, the altitude of a mountain, or of a bird above the top of a tree.
The elevation of a point, or star, or other celestial object, above the horizon, measured by the arc of a vertical circle intercepted between such point and the horizon. It is either true or apparent; true when measured from the rational or real horizon, apparent when from the sensible or apparent horizon.
The perpendicular distance from the base of a figure to the summit, or to the side parallel to the base; as, the altitude of a triangle, pyramid, parallelogram, frustum, etc.
Height of degree; highest point or degree.
He is [proud] even to the altitude of his virtue.
Elevation especially above sea level or above the earth's surface;
The altitude gave her a headache
The perpendicular distance from the base of a geometric figure to opposite vertex (or side if parallel)
Angular distance above the horizon (especially of a celestial object)

Altitude Meaning in a Sentence

The altitude meter helps hikers know their elevation.
he altitude of the mountain makes it difficult to climb.
Altitude sickness can occur if you ascend too quickly.

Altitude Idioms & Phrases

At altitude

Being at a high elevation above sea level.
Athletes train at altitude to increase their performance.

Altitude adjustment

Adapting to the reduced oxygen and pressure at higher elevations.
Moving to the mountains required a significant altitude adjustment for them.

High-altitude training

Athletic training conducted at high elevations to enhance performance.
Many runners engage in high-altitude training to improve their stamina.

Altitude sickness

Illness caused by ascending to high elevations too quickly.
He experienced altitude sickness during his trek in the Himalayas.

Maximum altitude

The highest elevation an aircraft or bird can reach.
The pilot announced that we were flying at our maximum altitude.

Common Curiosities

What is the pronunciation of Altitude?

Altitude is pronounced as AL-ti-tood.

What is the root word of Altitude?

The root word is Latin "altus" meaning "high."

What is the plural form of Altitude?

The plural form is "altitudes."

What is the singular form of Altitude?

"Altitude" is singular.

Which preposition is used with Altitude?

"At" as in "at an altitude of."

Which vowel is used before Altitude?

The letter "a" is used.

What is the verb form of Altitude?

Altitude is a noun. A related verb might be "ascend."

Why is it called Altitude?

It's derived from Latin "altitudo" meaning "height."

Is Altitude an abstract noun?

No, it's concrete as it can be measured.

Is Altitude a negative or positive word?

Neutral. Context determines sentiment.

Is Altitude an adverb?


Which conjunction is used with Altitude?

Any conjunction can be used depending on the context.

Which article is used with Altitude?

Both "a" and "the" can be used, depending on context.

Is Altitude a vowel or consonant?

"Altitude" is a word. It starts with the vowel "a."

Is the Altitude term a metaphor?

Not inherently, but can be used metaphorically.

Is the word Altitude a Gerund?


Is the word “Altitude” a Direct object or an Indirect object?

It can function as a direct object, depending on the sentence.

How many syllables are in Altitude?

Three syllables.

What is a stressed syllable in Altitude?

The first syllable "Al" is stressed.

What part of speech is Altitude?

It's a noun.

What is the opposite of Altitude?

Depth (when considering sea level or ground).

Is Altitude a countable noun?

Yes, you can measure different "altitudes."

Is Altitude a collective noun?


How do we divide Altitude into syllables?


What is the first form of Altitude?

It's a noun; nouns don't have verb forms.

Is Altitude a noun or adjective?

"Altitude" is a noun.

Is the word Altitude imperative?


What is another term for Altitude?


Which determiner is used with Altitude?

Determiners like "this," "my," or "an" can be used.

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Author Spotlight

Written by
Fiza Rafique
Fiza Rafique is a skilled content writer at, where she meticulously refines and enhances written pieces. Drawing from her vast editorial expertise, Fiza ensures clarity, accuracy, and precision in every article. Passionate about language, she continually seeks to elevate the quality of content for readers worldwide.
Tayyaba Rehman is a distinguished writer, currently serving as a primary contributor to As a researcher in semantics and etymology, Tayyaba's passion for the complexity of languages and their distinctions has found a perfect home on the platform. Tayyaba delves into the intricacies of language, distinguishing between commonly confused words and phrases, thereby providing clarity for readers worldwide.

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