The lexical aspect (aktionsart) of verbs or predicates that change over time and have no natural end point.
Something done as an action or a movement.
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
To languish.
A state of the body or mind caused by exhaustion or disease and characterized by a languid or weary feeling; lassitude; (countable) an instance of this.
Dullness, sluggishness; lack of vigour; stagnation.
Listless indolence or inactivity, especially if enjoyable or relaxing; dreaminess; (countable) an instance of this.
Heavy humidity and stillness of the air.
Melancholy caused by lovesickness, sadness, etc.; (countable) an instance of this.