jokeproof

English

Etymology

From joke +‎ -proof.

Adjective

jokeproof (comparative more jokeproof, superlative most jokeproof)

  1. (rare) Unable or unwilling to understand a joke; humorless.
    Synonyms: laughless, unamused; see also Thesaurus:humorless
  2. (rare) Unable to be joked about.