adj.

causing to be gloomy or grievous

Blind Alex lived next door to a bunch of nudist cheerleaders and his tristifical wailings could be heard for miles.

Having access to ever single book printed, every word coined, Dyslexic Jim shed tristifical tears because he could not make heads or tails of the meanings at his disposal.

His tristifical wailing got the best of us, and we also were reduced to tears.