Standard Lemma guide

ultrashort

adj · noun · 5 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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No pronunciation record was provided for this word.

1

adj

Meaning 1

Very short.

Definition source: English Wiktionary via Wiktextract

Usage: informal, not-comparable

Topics: engineering, natural-sciences, physical-sciences, technical

Examples

  • ultrashort skirts

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Extremely short in duration, typically on the femtosecond scale

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Topics: sciences

Examples

  • an ultrashort pulse

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adj

Meaning 3

Having a wavelength of between 1 and 10 metres

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Topics: natural-sciences, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

adj

Meaning 4

Having a very short term of investment, typically less than a year

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Topics: business, finance

Examples

  • an ultrashort bond

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

A bond with an extremely short term, typically less than a year

Definition source: English Wiktionary via Wiktextract

Topics: business, finance

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From ultra- + short.

Across languages

Translations

10 source translations are retained for this English entry.

  • Finnish: ultralyhyt — very short
  • Finnish: erittäin lyhyt — very short
  • German: megakurz — very short
  • Kazakh: ультрақысқа (ultraqysqa) — very short
  • Finnish: erittäin lyhyt — science: extremely short in duration
  • Kazakh: ультрақысқа (ultraqysqa) — science: extremely short in duration
  • Finnish: ultralyhyt — physics: having a wavelength between 1 and 10 metres
  • Galician: ultracurto — physics: having a wavelength between 1 and 10 metres
  • Kazakh: ультрақысқа (ultraqysqa) — physics: having a wavelength between 1 and 10 metres
  • Finnish: erittäin lyhyt — finance: having a very short term of investment