From Wiktionary, the free dictionary
מְשַׁעֲמֵם • (m'sha'amém) (feminine משעממת, masculine plural משעממים, feminine plural משעממות)
- boring, uninteresting
מְשַׁעֲמֵם • (m'sha'amém)
- Masculine singular present participle and present tense of שיעמם (shi'mém).