also frontrunner, of political candidates, 1908, American English, a metaphor from horse racing (where it is used by 1901 of a horse that runs best while in the lead).
frontier
frontiersman
frontispiece
frontlet
front-line
front-runner
frore
frosh
frost
frost-bite
frostbitten
)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}