dictionary - n. a reference book that contains words listed in alphabetical order and gives the words' meanings, forms and pronunciations
edition - n. a particular version of a book
growth spurt - n. an occurrence of growing quickly and suddenly in a short period of time
guess - v. to form an opinion or give an answer about something when you do not know much about it
function - v. to work or operate
errand - n. a short journey that you take to do or get something
task - n. a piece of work to be done or undertaken
informally - adv. in a way that is not suited for serious or official speech and writing