Usually pronounced /ɪm-/ before an unstressed syllable, and /ɪm-/ before a stressed syllable.
Im- is added to words that begin with ‘m’, ‘p’, or ‘b’ to form words with the opposite meaning.
He implied that we were emotionally immature...
Don’t stare at me–it’s impolite!...
The illness is triggered by a chemical imbalance in the brain.
PREFIX