Nation ‘Gaslighting’ is Merriam-Webster’s 2022 word of the year: ‘We do hope you’ll trust us’ November 28, 2022November 28, 2022 Wyatte Grantham-Philips, USA TODAY Comments Off on ‘Gaslighting’ is Merriam-Webster’s 2022 word of the year: ‘We do hope you’ll trust us’ Lookups for gaslighting – defined as "the act or practice of grossly misleading someone especially for one's own advantage" – increased 1,740%.