Antonyms for the word "be contingent" include words such as independent, self-sufficient, detached, unconnected, unrelated, isolated, and separate. These words all express a sense of autonomy and freedom from reliance on external factors or conditions. Unlike being contingent, which implies a certain degree of dependence or connection to something else, these antonyms suggest a degree of self-containedness and independence. By understanding the antonyms of "be contingent," we can expand our vocabulary and gain a more nuanced understanding of the many different ways language can express meaning and complexity.