- (obsolete) testy; irritable
- 1624, Democritus Junior [pseudonym; Robert Burton], The Anatomy of Melancholy: […], 2nd edition, Oxford, Oxfordshire: Printed by John Lichfield and James Short, for Henry Cripps, OCLC 54573970:
- they are so cholerick and tetty, that no man may speak with them, and break many times into violent passions, oaths, imprecations, and unbeseeming speeches
Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for tetty in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913)