1.verb(often with about, around, or away) To squander or waste time, money, or other resources; e.g. occupy oneself idly or without clear purpose, to tinker with an unimportant part of a project, to dally, sometimes as a form of procrastination.
"He can’t figure out how to finish the paper he’s writing, so he’s resorted to frittering with the fonts."
2.verbTo sinter.
3.verbTo cut (meat etc.) into small pieces for frying.