head-splitter

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. A [[perplexing]] or unpleasant problem, [[puzzle]], or task.
2. {{syn of|en|skull splitter}}.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.