There are various synonyms for the term 'trivial untruth', including falsehood, fib, lie, deception, misrepresentation, and fabrications. These words denote a statement or claims that are not accurate, truthful, or reliable. A trivial untruth is often an intentional act of misleading to hide the truth or gain an advantage. It can be used to undermine or discredit someone or a particular idea. In contrast, honesty, truthfulness, integrity, sincerity, and straightforwardness are some of the antonyms that denote credibility, reliability, and accuracy. It is essential to be cautious and critical when assessing information to avoid believing in trivial untruths that can lead to misinformation.