Use 'elephantine' to describe something unusually large or physically imposing. The elephantine statue dominated the town square.
Pro Tip 2/3
Clumsiness Implied
'Elephantine' can imply a lack of grace or finesse when describing movements or actions. She moved with an elephantine gracelessness on the dance floor.
Pro Tip 3/3
Metaphorical Use
It's often used metaphorically to emphasize the weightiness or difficulty of a task. He faced the elephantine task of restoring the old mansion.