Over

(adv., prep., n., adj. & interj.) The word 'over' has a mouthful of meanings.

¹
(adv.) Often used as 'over and over (again)/over again', this definition means repeatedly and happening again and again; from the beginning. Using it in a sentence:

He played the song over and over again, until I got tired. (He played the song repeatedly until I got tired.)

"We're starting over," exclaimed Joan. ("We're starting from the beginning," said Joan.)

²


(prep.) This definition of the word means 'above', to a higher extent. This would be best explained with a picture, so here is one for you. Using it in a sentence:

The balloons are floating over the trees. (The balloons are floating above the trees.)

The water was over my knees. (The water level was above the level of my knees.)

³
(prep.) More/greater than, >. Using it in a sentence:

He earned over a thousand pounds! (He earned more than a thousand pounds [1001 or more]!)

The village is over 45 kilometres away; how are you going to get there so quickly? (The village is more than 45km from here, how are you going to get there so quickly?)

4
More definitions coming soon!