Fret comes from the Old English verb fretan, “to devour,” which shares an ancestor with another verb, etan, the ancestor of eat. In centuries past, animals—or monsters, in the case of Grendel …

Förster resonance energy transfer (FRET), fluorescence resonance energy transfer, resonance energy transfer (RET) or electronic energy transfer (EET) is a mechanism describing energy …

Fret definition: to feel or express worry, annoyance, discontent, or the like.. See examples of FRET used in a sentence.

fret noun [C] (RAISED BAR) a thin, slightly raised metal bar, several of which are positioned across the neck (= long, narrow part) of some musical instruments, such as a guitar (Definition …

1. to feel or express worry, annoyance, discontent, or the like. 2. to cause corrosion; gnaw into something: acids that fret at the strongest metals.

If you fret about something, you worry about it. I was working all hours and constantly fretting about everyone else's problems. [V + about/over] But congressional staffers fret that the …

Dec 1, 2025 · fret (third-person singular simple present frets, present participle fretting, simple past and past participle fretted) To bind, to tie, originally with a loop or ring.

Definition of fret verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

fret meaning, definition, what is fret: to worry about something, especially whe...: Learn more.

It turned out that it was nothing to fret about/over. Don't get in (such) a fret! We won't miss the plane.