(nautical) To remove, or fasten, all loose material, or partitions prior to a naval engagement. / (by extension, figuratively) To prepare for action.

(transitive) To clarify, to correct a misconception. / (intransitive) To depart or disappear. / (intransitive, of skin or medical images) To become free of certain blemishes.

(simile, sarcastic) Unclear; difficult or impossible to understand or interpret.

Any of a network of banks that have a formal arrangement for the exchange of cheques, drafts, etc.

(idiomatic) Completely clear and understood. / (idiomatic) Visually clear, a sharp image, high acuity.

the state of being clear-headed

Alternative spelling of clearheaded

Having sharp vision. / Acutely perceptive or discerning; perspicacious.

(figuratively, intransitive, often followed by of) To avoid; to dodge; to sidestep.

(idiomatic) Straightforward, obvious, simple, or basic. / (forestry) Having had all trees cut.