mastodonic
/mæs.təˈdɒn.ɪk/Definitions
1. adjective
relating to or characteristic of mastodons, or having a large and clumsy appearance
“The mastodonic creature lumbered through the forest, its massive body making it hard to move quickly.”
2. noun
something that is large and clumsy
“The mastodonic sculpture was a popular attraction at the museum, but its size made it difficult to display.”