"Are tedious" is typically used to express boredom or annoyance with a particular activity or task. There are many antonyms that can describe the opposite of tedious, including exciting, enjoyable, interesting, engaging, and stimulating. By contrast, tiresome, monotonous, and repetitive all describe activities that might be considered tedious. Finding ways to make tedious activities more enjoyable or rewarding can help make them more engaging and stimulating. Adding variety, taking breaks, and rewarding yourself for completing tedious tasks can all help to break up the monotony and make even the most tedious activities more enjoyable.