The word 'de-odorize' refers to the process of removing or eliminating bad smells or odor. However, in the English language, there are several antonyms for 'de-odorize' which include intensify, increase, enhance, strengthen or amplify the bad odor or smell.
If you want to describe a situation where an odor is starting to become stronger or more evident, you can use words like 'foul,' 'putrid' or 'offensive.' On the other hand, if you want to talk about something that emits a pleasant aroma, you can use words like 'aromatize,' 'perfume' or 'fragrant.'
Therefore, it is important to have a clear understanding of antonyms associated with the word 'de-odorize' to effectively communicate and describe odors or smells in different situations.