noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The doctrine that all things exist, or are based on, randomness. uncountable
2. 2
   A casual (informal) word or phrase. countable

   "Avoid casualisms when writing business letters."

3. 3
   An art movement characterized by an unpolished esthetic, incorporating such elements as rough or torn edges, exposed staples, etc. countable, uncountable

Synonyms

All synonyms

colloquialism

Example

More examples

"Avoid casualisms when writing business letters."

Etymology

From casual + -ism.

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