Select the most appropriate synonym of the given word.
Abscond

The correct option is Flee.

Explanation:

The word "Abscond" means to leave hurriedly and secretly, typically to avoid detection or arrest for an unlawful action such as theft.

Let us analyze the given options to find the most appropriate synonym:

1. Flee: Means to run away from a place or situation of danger or pursuit. This matches the meaning of "abscond" perfectly.
2. Stay: Means to remain in the same place. This is an antonym of "abscond".
3. Avoid: Means to keep away from or stop oneself from doing something.
4. Annoy: Means to make someone slightly angry or irritated.

Therefore, "Flee" is the most appropriate synonym for "Abscond".