sucid
"Sucid" is not a recognized word in the English language or in common technical or scientific terminology. It is possible that this is a misspelling of a word, a neologism, or a term specific to a very niche context. Without further information or clarification, it is difficult to provide a meaningful definition or explanation.
If "sucid" is intended to be a misspelling of "suicide," then the topic pertains to the act
If "sucid" refers to something else entirely, please provide additional context. For example, is it a name,