The word "de-finitude" refers to a state of being limitless or boundless. Some possible antonyms for this term could include words like "limitation," "boundary," "restriction," or "constraint." These words describe a state of being confined to a particular space or situation, or having one's actions or abilities limited by some external force. Other possible antonyms for "de-finitude" might include words like "clarity," "precision," "delineation," or "identity." These terms describe a state of being clearly defined or differentiated from other things, rather than being indistinct or unclear. In general, the antonyms for "de-finitude" center around the themes of confinement, restriction, and lack of clarity or precision.