Something done as an action or a movement.
The lexical aspect (aktionsart) of verbs or predicates that change over time and have no natural end point.
Something done for pleasure or entertainment, especially one involving movement or an excursion.
The state or quality of being active; activeness.
The number of radioactive decays per unit time. Unit for it: becquerel or curie
The propery of substances to react with other substances
Any proceeding or action which it is wished to refer to or characterize vaguely.
An action or engagement not of sufficient magnitude to be called a battle.
An adulterous relationship (from affaire de cœur, affair of the heart).
A person with whom someone has an adulterous relationship.
A romantic relationship with someone who is not one's regular partner (boyfriend, girlfriend).
Something which is done or is to be done; business of any kind, commercial, professional, or public.
A party or social gathering, especially of a formal nature.
A material object (vaguely designated).