Calamitous a. : Suffering calamity; wretched; miserable.

Calamitous a. : Producing, or attended with distress and misery; making wretched; wretched; unhappy.

Example:
I have a wicked prawn allergy; can i kiss my girlfriend after she has eaten said Calamitous crustacean?

Taxonomy
calamitous, Merriam-Webster Online Dictionary, Dictionary, webster, lam, Word Games, Webster Online Dictionary with audio pronunciations, thesaurus, Google Search, Custom Search, glossary, english, language, ESL, Search, adjective, ly, adverb.

Defination from the web:
calamitous from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. ... being, causing, or accompanied by calamity <calamitous events> — ca·lam·i·tous·ly adverb. Learn more about "calamitous" with Google Search: Custom Search ...