The word 'unreliabilities' refers to the lack of trustworthiness or dependability. Its antonyms are words that convey the meaning of being trustworthy, dependable, or consistent. Some examples of antonyms for the word 'unreliabilities' are reliability, dependability, trustworthiness, consistency, credibility, and steadfastness. These words denote the attributes of being trustworthy and reliable and can be used to refer to people, systems, or processes that are dependable and consistent. The opposite of 'unreliabilities' are words that instill trust and confidence in the minds of people, and are essential in building long-term relationships based on trust and reliability.