1540s, from un- (2) "opposite of" + glue (v.). Related: Unglued; ungluing. Unglued in figurative sense is recorded from 1922.
unfurl
unfurnished
ungainly
ungentlemanly
ungird
unglue
ungodly
ungovernable
ungoverned
ungraceful
ungracious
)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}