Tiresome/ˈtaɪərsəm/ Definition 1 of 1Pro Tip 1/3Emotional Energy Shows the speaker's irritation due to repetition or prolongation of an annoying action or behavior. Listening to his complaints became tiresome. Pro Tip 2/3Slight Disapproval Implies a mild disapproval and is less harsh than calling something 'annoying' or 'irritating'. Her constant questioning is becoming tiresome. Pro Tip 3/3Duration Focus Often used when an activity has been ongoing and feels overly long or drawn-out. The meeting was tiresome, stretching on for hours.