grossest

adjective

1. (of behaviour considered to be wrong) Highly or conspicuously offensive.“a gross mistake;  gross injustice;  gross negligence; a gross insult”
2. (of an amount) Excluding any deductions; including all associated amounts.“gross domestic product; gross income; gross weight”
3. Seen without a microscope (usually for a tissue or an organ); at a large scale; not detailed.“gross anatomy”
4. Causing disgust.“I threw up all over the bed. It was totally gross.”