U
ubiquitous
being or seeming to be everywhere at the same time; omnipresent
Take ten yellow Post-it notes and write ubiquitous on each one. Then stick them
all over your house. The stickers will then be ubiquitous.
unassuming
not pretentious; modest
Although they were rich enough to pay off the federal deficit, they were
unassuming and lived in a tent.
unruly
difficult to govern; impossible to discipline