مؤثر

A result or effect of an action or condition, typically one that is unwelcome or unpleasant.

A hurdle or obstacle that prevents progress or makes it difficult. Often used in TOEFL to describe challenges in scientific research or historical progress.

To achieve a goal, to realize an ambition, or to investigate a matter. In academic Arabic, it is frequently used to discuss reaching results or fulfilling objectives.

The act of achieving a goal, or a systematic investigation to establish facts (like a police investigation or research inquiry).

The act of acquiring or possessing something, often used for valuable items like books, art, or property.

A thing that you do for interest, enjoyment, or to achieve a particular goal. It also refers to the state of being active or having energy.

More than what is usual, expected, or existing; extra.

The action or process of adding something to something else. It can also refer to the thing that is added to improve or increase something.

Implements or devices used to perform a particular function. It can refer to physical tools or digital/abstract resources.

To obtain or acquire a skill, quality, or asset; to gain something through effort or experience.