When you want to express that something is unlikely to happen, you can use various synonyms for the phrase "with little likelihood." Some of these synonyms include improbable, doubtful, questionable, uncertain, and unlikely. If you want to emphasize the unlikeliness of a situation, you can use words like negligible, remote, and far-fetched. On the other hand, if you want to express that something is almost impossible, you can use phrases like beyond the realms of possibility or highly unlikely. By using such synonyms and phrases, you can convey the degree of unlikeliness to your readers or listeners and express the level of doubt that you have about the situation.