| MUC | a great amount or extent |
|---|---|
| MUC | (quantifier used with mass nouns) great in quantity or degree or extent |
| MUC | (degree adverb used before a noun phrase) for all practical purposes but not completely |
| MUC | very |
| MUC | to a great degree or extent |
| MUC | to a very great degree or extent |
| MUC | frequently or in great quantities |
| MUC | in a similar way |
| MUC | (archaic) greatness of quantity or measure or extent |
| MUC | a solid acid (C6H10O8) found in milk or sugar |
| MUC | containing or secreting mucus |
| MUC | cement consisting of a sticky substance that is used as an adhesive |