again 
/əˈgɛn/ adverb
/əˈgɛn/ adverb 1 : for another time : one more time
▪ Please, come see us again. ▪ Spring is beginning again. ▪ It was nice to see my friends again. ▪ She wants to prove that she can do it again. ▪ Things are back to normal again. ▪ I will never be so foolish again. = Never again will I be so foolish. ▪ When we heard the news, we all said, “Oh no! Not again!” ▪ She demonstrated yet again her remarkable artistic talents. ▪ It'll just be the same thing all over again. ▪ I told him over and over again to be careful. = I told him again and again to be careful. [=I told him many times to be careful] ▪ She returned to the bookstore again and again. [=repeatedly, many times] 2 : to a previous position or place
▪ We flew from Boston to Chicago and back again. [=back to Boston] ▪ When he stood up, he got so dizzy that he had to sit down again. 3 — used to introduce a thought or possibility that differs from a preceding one ▪ He might go, and again he might not. — usually used in the phrase then again ▪ He might go, and then again, he might not. ▪ Then again, perhaps they were right. 4 — used to introduce a statement that repeats and stresses something previously said ▪ Again, this is a serious problem. 5 — used to ask someone to repeat something because you did not hear or understand it clearly ▪ What was your name again? 6 — used in phrases like (chiefly US) half again as much and (chiefly Brit) half as much again to compare two amounts ▪ My ticket costs half again as much as your ticket. [=(for example) my ticket costs $15 and your ticket costs $10]
▪ Please, come see us again. ▪ Spring is beginning again. ▪ It was nice to see my friends again. ▪ She wants to prove that she can do it again. ▪ Things are back to normal again. ▪ I will never be so foolish again. = Never again will I be so foolish. ▪ When we heard the news, we all said, “Oh no! Not again!” ▪ She demonstrated yet again her remarkable artistic talents. ▪ It'll just be the same thing all over again. ▪ I told him over and over again to be careful. = I told him again and again to be careful. [=I told him many times to be careful] ▪ She returned to the bookstore again and again. [=repeatedly, many times]
▪ We flew from Boston to Chicago and back again. [=back to Boston] ▪ When he stood up, he got so dizzy that he had to sit down again.
(every) now and again — see every
now and again — see 1now
once again — see 1once
time and again — see 1time
