Begged, past participle of beg. Synonyms in the same form.
Implore
implored, pled, entreated, beseeched, prayed, asked, sued, urged, requested, petitioned, invoked, conjured, adjured, importuned, craved, obtested
Solicit
solicited, tapped
Scrounge
scrounged, bummed, mooched, cadged
Other
supplicated
All synonyms for beg →