Keenly adv. : In a keen manner.

Example:
if i Keenly desired to masturbate during an important lecture what should I do?

Taxonomy
keen, dictionary, encyclopedia, Synonyms, keen 1, keen ear, ki, enthusiastically, online dictionary, thesaurus browser, Free Online Dictionary, Translations, sensation, antonyms, English dictionary, lament, the dead, free online English dictionary.

Defination from the web:
keenly in the Online Dictionary. Meaning of keenly. Pronunciation of keenly. Translations of keenly. keenly synonyms, keenly antonyms. ... Though crying, he keenly enjoyed the sensation he was causing; he would have been glad to stay a little longer to be made much of, ...