Standard Lemma guide

semi-infinite

adj · 3 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

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1

adj

Meaning 1

Involving a finite number of variables but an infinite number of constraints, or vice versa.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Topics: mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Sufficiently thick that the level of penetration of a projectile is not affected by its thickness.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Topics: ballistics, engineering, government, military, natural-sciences, physical-sciences, physics, politics, tools, war, weaponry

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adj

Meaning 3

Limited at one end but extending to infinity in the other direction.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From semi- + infinite.