Is Polymorph Broken 5E?

Polymorph isn't as broken as it used to be, but there are still loopholes. Because not all monsters were written with polymorph in mind, polymorph has numerous, very specific limitations. However, some forms have powerful or disruptive abilities which aren't covered by these limits.

How good is polymorph 5e?

The Polymorph spell is an extremely versatile and powerful tool. It can crippled enemies, turn an ally into a ferocious beast, or provide you with utility options which are difficult to access without relying on numerous other spells at once.

How do you deal with polymorph 5e?