gen - definition and synonyms

verb British informal old-fashioned 

Your browser doesn’t support HTML5 audio

/dʒen/

phrasal verb

gen up on

[transitive]
present tense
I/you/we/theygen up on
he/she/itgens up
present participlegenning up
past tensegenned up
past participlegenned up
gen up on something to learn all that you can about a particular subject