The word "un-reduced" is used to describe something that is not reduced or decreased in size or amount. Antonyms for this word would therefore describe things that have been reduced, decreased, or lessened in some way. Examples of antonyms for "un-reduced" might include words like "reduced," "decreased," "condensed," "shrunken," "diminished," or "lowered." Other antonyms might include words like "minimal," "limited," or "restricted." When looking for antonyms for the word "un-reduced," it is useful to think about words that describe the opposite of growth, expansion, or enlargement, as these are the types of words that would logically be paired with "un-reduced.