We found 8 dictionaries that define the word splitting headache:

General (7 matching dictionaries)

1. splitting headache: Longman Dictionary of Contemporary English
2. splitting headache: Merriam-Webster
3. splitting headache: Cambridge Advanced Learner's Dictionary
4. splitting headache: Dictionary.com
5. Splitting Headache: Wikipedia, the Free Encyclopedia

Miscellaneous (1 matching dictionary)

6. splitting headache: Idioms

▸ Words similar to splitting headache ▸ Usage examples for splitting headache ▸ Idioms related to splitting headache ▸ Wikipedia articles (New!) ▸ Words that often appear near splitting headache ▸ Rhymes of splitting headache ▸ Invented words related to splitting headache