c. 1300, from ire (n.) + -ful. Related: Irefully.
ireful words
Iraq
irascibility
irascible
irate
ire
ireful
Ireland
Irene
irenic
irenology
Irgun
)window.location='https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=byronic106@yahoo.com&lc=US&item_name=Donation+to +Help+Keep+Etymonline+Free+and+Open&no_note=0&cn=&curency_code=USD&bn=PP-DonationsBF:btn_donateCC_LG.gif:NonHosted'){kind=link}