What are synonyms for flake?

The best synonym for "flake" depends heavily on the context. Here are some options based on different meanings of "flake":

For "a person who is unreliable or irresponsible":

* Airhead

* Deadbeat

* Ditz

* Flibbertigibbet

* Flip-flopper

* Free spirit (depending on the tone)

* Lightweight

* Loafer

* Slob

* Space cadet

* Wishy-washy

For "a small piece of something, especially something that has broken off":

* Chip

* Fragment

* Piece

* Shard

* Splinter

* Strip

For "a thin, flat piece of something, especially snow":

* Crystal

* Powder

* Scale

* Sheet

For "to peel off in flakes":

* Exfoliate

* Peel

* Shred

* Shedding

For "to fail to keep a promise or commitment":

* Back out

* Bail

* Blow off

* Cancel

* Chicken out

* Go back on your word

* Stand someone up

* Wimp out

Please provide more context about how you're using "flake" so I can give you the most accurate synonyms!