The word "ludibrious" is not commonly used, but it means to be prone to ridicule or mockery. Its spelling can be explained through IPA phonetic transcription as "luh-dib-ree-uhs", with a primary stress on the third syllable. The first syllable is pronounced with the "uh" sound, similar to the "u" in "cup". The second syllable is pronounced with a short "i" sound, like in "bit". The last syllable is pronounced with a long "u" sound, like in "blue".