Underplays is a word that refers to the act of downplaying or minimizing the importance or significance of something. Some synonyms for underplays include downplays, belittles, trivializes, diminishes, undervalues, and understates. Downplaying something can be a deliberate act done to make it seem less important than it actually is, often to avoid attention or to downplay one's own accomplishments. Belittling can be used to describe a situation where something or someone's worth is made to seem insignificant or unimportant. Trivialization can also be used to describe a situation where something is made to seem insignificant or unimportant. Diminishing one's accomplishments can also mean making them seem less important or impressive. Finally, understating is making claims or descriptions of something that is downplayed and made to seem less important.