unimaginable.

Beyond what someone can readily imagine, or so extreme or unfamiliar that it strains conception.

Use it for

Words that belong together

• unimaginable scale
• unimaginable consequence

On the page

The archive’s unimaginable scale was the newcomer’s first impression rather than a measured limit.

The narrator called the consequence unimaginable because it exceeded his earlier expectations.

Usage notes

Primary category: literary / elevated general. Forms: Comparative more unimaginable; superlative most unimaginable where gradation is meaningful. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Writing functions: narrative transformation, conception and possibility, memory representation, anticipatory detail. Disciplines: literary writing, advanced general English, narrative analysis. Commonness: moderately common.