Unminded is quite an uncommon word, and may even be considered an outdated term in some contexts. However, some possible synonyms for it include "neglected", "ignored", "disregarded", "overlooked", or "unattended". All of these words share the idea of something being left unattended, whether it be a task, responsibility, or even an object. Additionally, other synonyms that could be used to convey similar meanings as unminded include "unnerved", "unfazed", "unaffected", and "indifferent". These words emphasize a lack of concern or awareness regarding a particular issue or situation, suggesting a state of apathy or disinterest.