UN- DIS- IN- IL- IM- IR-

This prefix means the same as adding “not” to an adjective & reverses the meaning of verbs.

un-

The prefix dis- with verbs, reverses the meaning

With adjectives it means not/reverses the meaning and with nouns, "the opposite of"

dis-

Verbs: disappear, disallow, disarm, disconnect, discontinue

Adjectives: disloyal, dissimilar

Nouns: discomfort, dislike, disinformation

This prefix has a similar meaning to the first which is not or without.

in-

with nouns: "the opposite of"

inattention, incoherence, incompatibility

im- ir- il-

With adjectives they mean not/reverse the meaning.

impatient, inconvenient, irreplaceable, illegal