Adjective
Presenting an action or event’s significance as being the process or experience instead of the end accomplishment or goal.
Not tending nor directed toward a goal or specific end.
(grammar) That expresses lacking an end, resolution, or finite purpose.
(linguistics) That expresses the imperfective aspect.
Source: en.wiktionary.orgAchievements, accomplishments and semelfactives have telic situation aspect, while states and activities have atelic situation aspect. Source: Internet
In rare cases corresponding telic and atelic forms can be unrelated by meaning. Source: Internet
The aspect is indicated by the case of the object: accusative is telic and partitive is atelic. Source: Internet