From the options given below, select the one closest in meaning to 'Agile':

The correct option is Nimble.

Here is a step-by-step explanation of why this is the closest in meaning to "Agile":

1. Understanding the target word 'Agile':
The word "Agile" is an adjective used to describe someone or something that is able to move quickly and easily. It implies flexibility, speed, coordination, and gracefulness in physical movement, or quick-wittedness in mental execution.

2. Analyzing the meaning of the given options:
- Needle: A noun referring to a small, thin, pointed tool used for sewing, or a verb meaning to annoy or provoke someone. It has no relation to physical quickness or movement.
- Nimble: An adjective that means quick and light in movement or action. Since both "agile" and "nimble" describe the ability to move with ease, speed, and agility, they are direct synonyms.
- Name sake (namesake): A noun representing a person or thing that has the same name as another. This is completely unrelated to movement or agility.
- Weak: An adjective meaning lacking physical strength or energy. This is actually closer to the opposite of being agile, as agility requires control and strength in movement.

3. Conclusion:
Comparing the definitions, Nimble is the only word that shares the meaning of quickness and ease of movement with Agile, making it the closest option.