i Register
In some senses, tubby is marked as derogatory, slang. Watch for register when choosing this word.
adj
stout, rotund
Grace bent to her oars with a springing verve and force which made the tubby little boat draw towards the shore, the whispering lapse of water gliding under its sides all the while.
The clerk vanished, to be replaced a minute later by a tubby Indian with exhausted, visionary eyes.
Resembling a tub
sounding dull and without resonance or freedom of sound.
a tubby violin
noun
An overweight person.