उदाहरणार्थ, "happy" या विशेषणात "un-" उपसर्ग जोडल्यास त्याचा उलट अर्थ "unhappy" असा होतो.
काही सामान्य उपसर्ग(प्रिफिक्स) आहेत:
(Prefix Information in Marathi)
"un-" (as in "unhappy")
"dis-" (as in "disagree")
"in-" (as in "incorrect")
"im-" (as in "impossible")
"non-" (as in "nonprofit")
"ex-" (as in "ex-boyfriend")
"pre-" (as in "preview")
"post-" (as in "postgraduate")
"re-" (as in "reheat")
"super-" (as in "superman")
