The word "moliminous" is not commonly used in everyday language, but it means "very difficult or arduous to do." The spelling of this word can be broken down phonetically as "mo-lim-uh-nuhs" (məˈlɪmənəs). The first syllable is pronounced as "mo," like the beginning of "motor." The second syllable is "lim," pronounced like "limb." And the final syllable "inous" sounds like "in us." Remembering the phonetic breakdown can help with accurate spelling and pronunciation of this word.