irre - late
- irreal
- irreality
- irreality level
- irreceptive
- irreformable
- irregular
- irregular build
- irregular physique
- irregular rhythm
- irregular stimulation
- irregularity
- irregularity of behavior
- irregularity of rhythm
- irregularity of stimulation
- irrelevant
- irrelevant conclusion
- irrelevant drive
- irrelevant motor response
- irrelevant reinforcement
- irreligious
- irreparable
- irrepressible
- irresistance
- irresistible impulse
- irresistible proof
- irresolute
- irresolution
- irresponsibility
- irresponsible
- irresponsible imbecile
- irresponsive
- irrestrainable
- irretention
- irretentive
- irreverence
- irreversibility
- irreversible
- irreversible effect
- irreversible process
- irritability
