Standard Lemma guide

unimpressionable

adj · 2 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

Not impressionable.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: reserved, steadfast, unbending, aloof, cool, distant, frosty, hankty, hard-to-get, offish, quiet, remote, standoffish, strange, thorny, touch-me-not-ish, unapproachable, undemonstrative, unimpressionable, uninvolved

Antonyms: none provided

2

adjective

Meaning 2

not sensitive or susceptible to impression

Definition source: Princeton WordNet 3.0

Examples

  • an unimpressionable mind

Meaning relationships

Synonyms: none provided

Antonyms: impressionable

History

Etymology

Etymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Germanic *un- Proto-West Germanic *un- Old English un- Middle English un- English un- Proto-Indo-European *h1én Proto-Italic *en Proto-Italic *en- Latin in- Proto-Indo-European *per-? Proto-Indo-European *pres-der. Proto-Italic *pres- Latin premō Latin imprimō Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin impressiōnembor. French impression Proto-Italic *-āzi ▲ Latin -ereinflu. Latin -āre Old French -ier Middle French -er French -er French impressionner Proto-Indo-European *-tḗr Proto-Indo-European *-dhlom Proto-Indo-European *-dhlis Proto-Italic *-ðlis Latin -bilis Latin -ābilis Old French -able Middle French -able French -able French impressionnable English impressionable English unimpressionable From un- + impressionable.