Most earmarked can be described as something that is designated or reserved for a specific purpose. The antonyms for this term could be vague, ambiguous, or unspecified. When something is not earmarked, it means that it hasn't been assigned a particular purpose, and therefore it remains open to various possibilities. Another antonym for earmarked could be unreserved, indicating that it is available for use without any specific instructions or restrictions. Therefore, the antonyms for earmarked can be used to express freedom, flexibility, and openness, as opposed to being confined or limited to a particular purpose.