2. adj. Going from one place or position to another and back again.
The back and forth movement of the tide causes erosion of the coastline.
3. n. The movement (of someone or something) forward followed by a return to the same position. May refer to a concept such as an emotional state or a relationship as well as a physical thing.
4. n. Negotiations or discussions between two or more parties, a dialog.
1. conj. As a coordinating conjunction; expressing two elements to be taken together or in addition to each other.
2. conj. Used simply to connect two noun phrases, adjectives or adverbs.
3. conj. Simply connecting two clauses or sentences.
4. conj. Introducing a clause or sentence which follows on in time or consequence from the first.
5. conj. (obsolete) Yet; but.
forth
1. adv. Forward in time, place or degree.
2. adv. Out into view; from a particular place or position.
The plants in spring put forth leaves.
The robbers leapt forth from their place of concealment.
3. adv. (obsolete) Beyond a (certain) boundary; away; abroad; out.
Example Sentences
Back and forth, this way then that.
She begins pacing back and forth.
He is pacing back and forth with a desperation.
You'll see those iron bars weave back and forth.
He is obviously undergoing back and forth changes between personalities.