While fretting today usually involves a concern that is figuratively eating at someone, fret has older senses that apply to literal eating. Fret comes from the Old English verb fretan, “to devour,” which …

FRET is analogous to near-field communication, in that the radius of interaction is much smaller than the wavelength of light emitted. In the near-field region, the excited chromophore emits a virtual photon …

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

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 project will …

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.

Dec 25, 2025 · Noun fret (plural frets) (music) One of the pieces of metal, plastic or wood across the neck of a guitar or other string instrument that marks where a finger should be positioned to depress …

Britannica Dictionary definition of FRET [count] : any one of a series of ridges on the neck of some stringed musical instruments (such as a guitar) — compare 2 fret

When you fret, you worry so much about something that it eats away at you. Many people fret about taking standardized tests, but really, they're nothing to sweat.

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