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A student in the junior or senior class of a secondary school or college.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


n, pl -men
(Education) a junior or senior student in an American high school, college, or university
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈʌp ərˈklæs mən, -ˈklɑs-)

n., pl. -men.
a junior or senior in a secondary school or college.
[1870–75, Amer.]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
"Kung sino man ang gustong mambastos at manakit sa napakabait at napakamaginoong upperclassman ko na ito, dumaan muna kayo sa akin para makita niyo ang brotherhood ng PMAyers (Whoever wants to disrespect and hurt my kindest and most gentleman upperclassman, you have to go through me and you will see how the brotherhood of PMAyers work)," Dela Rosa, a graduate of PMA Sinagtala Class of 1986, said in a Facebook post.
'Kung sino man ang gustong mambastos at manakit sa napakabait at napakamaginoong upperclassman ko na ito dumaan muna kayo sa akin para matikman ninyo ang brotherhood ng PMAyers (graduates of Philippine Military Academy),' Dela Rosa said in a Facebook post Saturday.
Most of Battle Academia skins nail the archetypes of most shounen (https://www.ibtimes.com/tyler1-league-legends-twitch-streamers-moderators-hacked-2642462) characters such as the "silly yet full of potential main character," "his potential love interest" and "the cool upperclassman," among others.
Silva continued to improve as an upperclassman and was crowned SEC Co-Defensive Player of the Year for the 2017-18 campaign.
The PPSC, which has supervision over the PNP Academy, has formed a fact-finding body to probe the complaint of the freshmen that an upperclassman allegedly forced them to perform oral sex as a form of punishment.
Through her work on an art project, she is finally able to face what really happened that night: She was raped by an upperclassman, a guy who still attends Merryweather and is still a threat to her.
She has been a member of various clubs and organizations since her freshman year of high school and has been elected president, as an upperclassman, to several of those clubs by faculty and peers.
Finding one another sparks first love, tender and sweet, tentative and questioning, until an upperclassman distracting Carolina causes a rift, and then the teens take the train into Chicago and encounter Trevor's mother and Carolina's father--on a date.
As for the terrifying teacher, can you arrange for an inexpensive tutor, maybe an upperclassman who knows sines, cosines, science or EspaHol?
Officials at a high school in Everett, Wash., are facing a lawsuit for disciplining an upperclassman student for loudly preaching during school events.
Air Force Academy upperclassman, it's his job to help get the newly arrived freshman cadets settled into the environment where they'll spend the next four years transforming into Air Force officers.