I. mush 1 /mʌʃ/ BrE AmE noun
1 . [singular, uncountable] an unpleasant soft substance, especially food, which is partly liquid and partly solid:
The boiled vegetables had turned to mush.
She trudged through the mush of fallen leaves.
2 . turn/go to mush if your brains, heart etc turn to mush, you cannot think clearly or sensibly:
If you watch too much TV, your brains will turn to mush.
3 . [uncountable] American English a thick ↑ porridge made from ↑ cornmeal
4 . [uncountable] a book, film etc that is about love and is ↑ sentimental :
poetry and mush like that
II. mush 2 /mʊʃ/ BrE AmE noun British English
1 . spoken informal used to speak to someone in an angry way:
Oi, mush! Get your hands off my car!
2 . [countable] British English informal someone's face or mouth:
I didn't want to see his ugly mush ever again.
III. mush 3 /mʌʃ/ BrE AmE interjection
used to tell a team of dogs that pull a ↑ sledge over snow to start moving