Word Type

Noun

Adjective

The word "quadragenarian" can be used as noun and adjective.

Word Relationships

Coordinate Terms

centenarian centenarian (100–199) hexagenerian nonagenarian nonagenarian (90–99) octogenarian octogenarian (80–89) quinquagenarian quinquagenarian (50–59) semicentenarian septuagenarian septuagenarian (70–79) sexagenarian sexagenarian (60–69) supercentenarian supercentenarian (110+) tricenarian tricenarian (30–39) vicenarian vicenarian (20–29)

Etymologically Related To

octogenarian

Related Terms

age centenarian decade fifth nonagenarian octogenarian quinquagenarian septuagenarian sexagenarian tricenarian vicenarian

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