The term "linearities" refers to the quality or state of being linear, which means having a straight or direct course, progression, or relation. The antonyms of linearities, therefore, would be words that describe something that is not straight or direct. These can include words like curviness, crookedness, meandering, windiness, waviness, undulation, contortion, or serpentine. These words suggest a sense of complexity, unpredictability, or irregularity, as opposed to the simplicity and clarity associated with linearity. The antonyms of linearities thus offer a variety of ways to describe things that deviate from straightness or linearity, whether in their physical form, movement, or symbolic meaning.