Conspicuities refer to anything that is noticeable, obvious, or prominent. Antonyms to this word are mainly related to things that are hidden, subtle, or unnoticed. Such antonyms could include terms like unobtrusiveness, inconspicuousness, obscurity, insignificance, among others. These terms describe traits or features that are difficult to observe or detect easily. For instance, unobtrusiveness refers to a trait that is not attracting attention or interest, while obscurity describes something that is not widely known or understood. Other antonyms for conspicuous can include words like ordinary, mundane, or average, describing things that do not stand out or draw attention.