Sign Up (Verb)
Meaning 1
Engage by written agreement; "They signed two new pitchers for the next season".
Classification
Verbs of political and social activities and events.
Synonyms
Hypernyms
Hyponyms
Meaning 2
Join a club, an activity, etc. with the intention to join or participate; "Sign up for yoga classes".
Classification
Verbs of fighting, athletic activities.