vitriolous

English

Etymology

From vitriol +‎ -ous.

Adjective

vitriolous (comparative more vitriolous, superlative most vitriolous)

1. Obsolete form of vitriolic.

References

• “vitriolous”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.