"Sociology"According to the study, the most searched word definition in Iowa this year is "sociology." Getty Images Getty ImagesIllinois Is Searching for "Bias"Meanwhile, just across the river in Illinois, the most searched definition is "bias." America's Top 10 Most Searched DefinitionsAcross the entire United States, these were the words Americans searched the most for in 2026:Gaslighting - 286 900 searches. America's Most Searched Word Definitions By State:Alabama - Love. Researchers at Unscramblerer analyzed Google Trends searches between January 1 and July 7, 2026, then combined multiple search variations using Ahrefs to estimate monthly search volume for word definitions.