A will or testament made by word of mouth only, before witnesses, as by a soldier or seaman, and depending on oral testimony for proof.

(idiomatic) at one's preference; as one sees fit

Alternative form of at-will

A spiteful or vengeful attitude; a grudge; dislike.

A female given name from English of modern usage. / A census-designated place in Alaska / A town in Oklahoma / A town in Wisconsin

A male given name, a shortening of William; also used as a formal given name. / A surname originating as a patronymic.

(American football) A weak-side linebacker.

(law) A document, made by a person when still legally fit to do so, which provides clear instructions or principles to be employed by a surrogate decision-maker, such as expressing a desire to be allowed to die instead of being kept alive by artificial means, in the event of being severely disabled or suffering from a terminal illness.

(military) Fire when ready. A command that allows troops to use weapons at their discretion and choose their own targets, allowing the individual soldier a greater freedom of timing the shot with target movement and similar.

Used other than figuratively or idiomatically: see will, do. / (by ellipsis) Affirmative yes in response to an especially personal or direct request for the performance of some action.