Entry 2 senses Webster, 1913 Boredom /bôr'-dəm/ · Bore·dom · IPA /ˈbɔɹ.dəm/ 01 n. The state of being bored, or pestered; a state of ennui. 1. The state of being bored, or pestered; a state of ennui. 2. The realm of bores; bores, collectively.