Standard Lemma guide

Illinoian

adj · name · noun · 4 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.

  • US: /ˌɪləˈnɔɪən/

1

adj

Meaning 1

Alternative form of Illinoisan.

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

2

adj

Meaning 2

Of or relating to the Illinoian stage.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Topics: geography, geology, natural-sciences

Examples

  • the Illinoian glaciation

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

name

Meaning 3

A stage of the last Ice Age in North America, lasting from around 190,000 to 130,000 years ago.

Definition source: English Wiktionary via Wiktextract

Topics: geography, geology, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

Alternative form of Illinoisan.

Definition source: English Wiktionary via Wiktextract

Usage: alt-of, alternative

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From Illinois + -an.