(zoology, obsolete) A fish of the order Abdominales. / (colloquial, usually plural only) An abdominal muscle.

(archaic) Inconsistent with, or far removed from, something; strongly opposed. / Contrary to something; discordant. / Abhorring; detesting; having or showing abhorrence; loathing.

(archaic) Towards the back or rear; backwards. / (archaic) In the rear; a distance behind. / By surprise; startled; dumbfounded. (see usage)

(obsolete) An abacus.

The act of abating, or the state of being abated; a lessening, diminution, or reduction; a moderation; removal or putting an end to; the suppression.

(obsolete) Suitableness. / (uncountable) The quality or state of being able; capacity to do or of doing something; having the necessary power. / The legal wherewithal to act.

The office or dominion of an abbot or abbess.

The superior or head of an abbey or monastery. / The pastor or administrator of an order, including minor and major orders starting with the minor order of porter.

The act of abandoning, or the state of being abandoned; total desertion; relinquishment.

(obsolete, transitive) To urge on, stimulate (a person to do) something desirable. / (transitive) To incite; to assist or encourage by aid or countenance in crime.