ir- — not (affix)
ir-
not
Used in (5)
irrelevant
C1
/ɪˈɹɛl.ə.vənt/
Not connected with or important to the subject being discussed.
Meaning
Off
Sound
Off
irresponsible
B2
/ˌɪɹ.əˈspɑn.sə.bəl/
Not thinking about or caring about the results of your actions
Meaning
Off
Sound
Off
irrational
B2
/ɪˈɹæʃ.(ə.)nəl/
Not based on clear thinking or good reasons
Meaning
Off
Sound
Off
irregular
B1
/ɪˈɹɛɡ.jə.lɚ/
Not happening at equal or expected times
Meaning
Off
Sound
Off
irreversible
C2
/ˌɪr.ɪˈvɝ.sə.bəl/
incapable of being reversed
Meaning
Off
Sound
Off