Here are some possible interpretations:
* A misspelling of "simili": This is a Latin word meaning "similar" or "like".
* A misspelling of "simile": This is a figure of speech that compares two things using "like" or "as".
* A misspelling of "similarity": This refers to the state of being similar.
* A made-up word: It could be a neologism, a newly invented word, in which case its meaning would depend on the context in which it was used.
To understand the meaning of "similli," you need more context. Please provide the sentence or situation where you encountered this word.