adverb
Definition: Not a valid English word.
Example: Not available.
intransitive verb
Definition: To improve or enhance something, often by replacing it with a newer or better version.
Example: I decided to upgrade my computer to run the latest software more efficiently.
noun
Definition: An improvement or enhancement to something, often involving a newer version or better performance.
Example: The company decided to implement an upgrade to their software to improve security.
transitive verb
Definition: To make something better or more advanced by replacing it with a newer or improved version.
Example: We need to upgrade our computer systems to handle the new software.