Alternative Spelling guide

18th

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.

This record is a supporting form or spelling variant of eighteenth. Use the canonical entry for the main definition and word-family path.

Sound

Pronunciation

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1

adj

Meaning 1

Abbreviation of eighteenth.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of, not-comparable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Alternative form of 18th.

Definition source: English Wiktionary via Wiktextract

Usage: alt-of, alternative, not-comparable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adjective satellite

Meaning 3

coming next after the seventeenth in position

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: eighteenth

Antonyms: none provided

History

Etymology

No etymology was provided for this word.

Across languages

Translations

13 source translations are retained for this English entry.

  • Afrikaans: 18de — abbreviation of eighteenth — see also eighteenth
  • Afrikaans: 18e — abbreviation of eighteenth — see also eighteenth
  • French: 18e — abbreviation of eighteenth — see also eighteenth
  • German: 18. — abbreviation of eighteenth — see also eighteenth
  • Greek: 18ος (18os) — abbreviation of eighteenth — see also eighteenth
  • Italian: 18o — abbreviation of eighteenth — see also eighteenth
  • Manchu: 18 ᠴᡳ (18 ci) — abbreviation of eighteenth — see also eighteenth
  • Norwegian: 18. — abbreviation of eighteenth — see also eighteenth
  • Polish: 18. — abbreviation of eighteenth — see also eighteenth
  • Spanish: 18.o — abbreviation of eighteenth — see also eighteenth
  • Swedish: 18:e — abbreviation of eighteenth — see also eighteenth
  • Turkish: 18'üncü — abbreviation of eighteenth — see also eighteenth
  • Turkish: 18. — abbreviation of eighteenth — see also eighteenth