Grownupness

noun, slang

noun, slang ·Uncommon ·College level

Definitions

Noun
  1. 1
    Adulthood; maturity. informal, uncountable

    "Look, the point is, we'll tell them anything we want, and we'll lead our lives any way we want, because we're the ones who will be grownup, and grownupness will work around us, not vice versa."

Example

More examples

"Look, the point is, we'll tell them anything we want, and we'll lead our lives any way we want, because we're the ones who will be grownup, and grownupness will work around us, not vice versa."

Etymology

From grownup + -ness.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.