sign up for

(phrasal verbA multi-word verb consisting of 1. a VERB + adverb, 2. VERB + preposition, or 3. VERB + ad... More) To register1. (in writing) Writing can have formal, informal or neutral register. This is the tone we... More for a course/class/activity. “I signed up for(phrasal verb) To register for a course/class/activity. "I signed up for an intensive Engl... More an intensive English course.”