The sixth sick sheikh’s sixth sheep’s sick
The sixth sick sheikh’s sixth sheep’s sick
The sixth sick sheikh’s sixth sheep is sick
Why Is It Hard?
This nine-word sentence contains five different sibilant sounds: s, sh, th, th (voiced), and the sk cluster. The brain processes s and sh as near-identical sounds, so switching between them at speed causes constant errors. The possessive constructions (sheikh’s sixth sheep’s) add grammatical complexity on top of the phonetic chaos. Guinness World Records has listed this as the hardest tongue twister in English.
History
The sixth sick sheikh’s sixth sheep’s sick rose to fame after it was cited by Guinness World Records in the 1970s as the most difficult English tongue twister. Sheikh is an Arabic honorific, and its inclusion alongside the English counting and possessive structures creates an unusual cross-cultural phonetic collision. The phrase has no narrative meaning beyond its difficulty.
Tips for Saying It
- Separate the three clusters: sixth sick / sheikh’s sixth / sheep’s sick.
- Practise sh and s alternately: sh-s-sh-s until the switch is smooth.
- The th in sixth is dental — tongue between teeth. Keep it distinct from the s sound.
More English Tongue Twisters
- She Sells Seashells — the classic S and SH twister
- Hard Tongue Twisters — hardest in the language
- Tongue Twisters — full collection
Find hundreds more on alltonguetwisters.com.