adj ·Rare ·Advanced level

Definitions

Adjective

1. 1
   Not befitting or proper for a son.

Antonyms

All antonyms

filial

Example

More examples

"The poor mother could not endure the unfilial behaviour of her son."

Etymology

From un- + filial.

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