Prefix · position / improvement
Signals upward movement or improvement: upgrade, update, upload, upcoming, upstairs.
Written by Bryan López, English teacher · Updated
Up- combines two related ideas: physical movement upward (upstairs, uphill, upstream) and improvement or increase in quality or quantity (upgrade, update, uplift). In both cases, the direction is always "toward a higher or better state."
Up- appears in dozens of everyday words: upload, upcoming, upfront, upset. Many of these have become so common that the compound structure is no longer obvious: "upset" is rarely analyzed as up- + set, but that is its origin. Recognizing up- as a component helps you group and remember related words.
Attaches to verbs, nouns, and adjectives to signal upward direction or improvement:
No spelling change to the root. Pronunciation: /ʌp/, rhymes with "cup".
up-/ʌp/
Tap the button to hear how the prefix sounds. Each word in the table has its own audio.
"Upgrade your phone" = get a newer, better model. "Update your phone" = install the latest software on your current model. They are not the same.
"Upstairs" refers to the floor above, not to the staircase. The stairs are "the stairs" or "the staircase." "Upstairs" is the destination.
A trick to remember it
Associate up- with "rising to a higher level": upgrade = rise to a better version, upload = send up to the server, upstairs = go up to the floor above. When the action points toward something better, higher, or more current, up- is likely the right prefix.
Exercise 1 · Form the word
Exercise 2 · Pick the right one
What is the difference between "upgrade" and "update"?
Exercise 3 · Pick the right one
"She was completely ___ when she found out the event had been cancelled without any warning."
The prefix up- signals upward movement or improvement: upgrade, update, upload, upcoming, upstairs. In Spanish it usually maps to hacia arriba / mejorar.
The prefix up- is pronounced /ʌp/. For example, "upgrade".
"grade" becomes "upgrade". It is a typical example of the up- prefix.
un-, re-, pre-, dis-, over-, in-... every beginning you need to unlock thousands of English words at once.