forth

¹ American  

[fawrth, fohrth] / fɔrθ, foʊrθ /

adverb

1. onward or outward in place or space; forward.

   to come forth; go forth.

2. onward in time, in order, or in a series.

   from that day forth.

3. out, as from concealment or inaction; into view or consideration.

   The author's true point comes forth midway through the book.

4. away, as from a place or country.

   to journey forth.

---

preposition

1. Archaic. out of; forth from.

Forth ² American  

[fawrth, fohrth] / fɔrθ, foʊrθ /

noun

1. Firth of, an arm of the North Sea, in SE Scotland: estuary of Forth River. 48 miles (77 km) long.

2. a river in S central Scotland, flowing E into the Firth of Forth. 116 miles (187 km) long.

---

forth ¹ British  

/ fɔːθ /

adverb

1. forward in place, time, order, or degree

2. out, as from concealment, seclusion, or inaction

3. away, as from a place or country

4. and so on; et cetera

---

preposition

1. archaic out of; away from

Forth ² British  

/ fɔːθ /

noun

1. an inlet of the North Sea in SE Scotland: spanned by a cantilever railway bridge 1600 m (almost exactly 1 mile) long (1889), and by a road bridge (1964)

2. a river in S Scotland, flowing generally east to the Firth of Forth. Length: about 104 km (65 miles)

---

forth Idioms  

1. see and so forth; back and forth; bring forth; hold forth; put forth; set forth.

---

Etymology

Origin of forth

before 900; Middle English, Old English; cognate with German fort; akin to further

Example Sentences

"He and I played this game back and forth in which we tried to write a paper in a week."

From Science Daily • Apr. 3, 2026

It can analyze all your corporate data to help you make better decisions about which products to launch, what expenses to cut, which trendlines competitors are seeing, and so forth.

From Barron's • Mar. 27, 2026

She’s gone back and forth with multiple servicers trying to address an issue that came up in the consolidation process.

From MarketWatch • Mar. 27, 2026

Members of the European Parliament on Thursday voted to adopt their position on the trade deal, which was initially reached in July 2025 after months of back and forth between the European Commission and U.S.

From The Wall Street Journal • Mar. 26, 2026

Opal had scooted as near to Archie as she dared, looking back and forth between her father and me.

From "Rump: The (Fairly) True Story of Rumpelstilskin" by Liesl Shurtliff