Rhinoceros
/raɪˈnɒs.ər.əs/
Synonyms
- horned mammal
- rhino
- ungulate
Slang Meanings
A person who is big and strong.
Don’t mess with him, he’s a real rhinoceros!
Someone who is very stubborn or tough to deal with.
My boss is such a rhinoceros; he won't change his mind easily.