Explanation:

- The word "inarticulate" refers to someone who has difficulty expressing themselves clearly or effectively.

- Option 1: Fluent - This usually means someone who can express themselves smoothly and effortlessly. It is quite the opposite of inarticulate.

- Option 2: Inevitable - This word refers to something that is certain to happen and is not related to speech or expression.

- Option 3: Eloquent - This means being persuasive and clear in speaking or writing, opposite to inarticulate.

- Option 4: Incoherent - This refers to speech that is unclear or disordered, closely aligning with the meaning of inarticulate.