JAMB - English Language (2000 - No. 65)
Choose the option opposite in meaning to the underlined word or phrase.
We intend to make the reception a diurnal event.
a nightly
a weekly
a short
an annual
הֶסבֵּר
The word "diurnal" means occurring during the daytime or happening every day. Therefore, the opposite meaning would refer to something that happens at night.