waddling
Waddling.
Waddle
somnambulism
A StickBug.
lobbing
waddle
Waddle
rushing
No. The word "duck" has no A and no A sound.
An antonym is a word with opposite meaning to another word. A duckling is a young duck. There is no opposite word to duckling.
Running, Speed Walking, Trotting.
cantering/crawling? :/