frightening, especially in appearance. / (rare or archaic) fearful, frightened

(religion) Following the precepts of a religious practice; respecting and revering God and His authority.

(idiomatic) An accomplishment; particularly one that is flaunted or boasted of. / Used other than figuratively or idiomatically: see feather, cap.

An implement, traditionally consisting of a bundle of feathers (especially ostrich feathers) attached to a handle, used to remove surface dust.

The tendency of a design project or product cycle to accumulate more and more features or details, rather than to be completed and released at a more basic level.

Frightening; causing fear. / Tending to fear; timid. / (dated) Terrible; shockingly bad. / (now rare) Frightened; filled with terror.

(dialect) Extremely; fearfully.

To increase the liveliness of a horse by inserting an irritant, such as a piece of peeled raw ginger or a live eel, in its anus. / (obsolete) To beat or whip; to drive.

(obsolete) An unkempt, slatternly person.

(figuratively) To cause a disturbance; to arouse resentment, anger, or concern.