Merriam-Webster's Word of the Day for October 27, 2025 is: acerbic \uh-SER-bik\ adjective Something described as acerbic is sharply or bitingly critical, sarcastic, or ironic in temper, mood, or tone. // The comedian draws crowds that appreciate his acerbic wit. See the entry > Examples: "Whether she's giving a sarcastic eye-roll, tossing off an acerbic zinger, or seducing with a come-hither stare, [actress Jennifer] Simard