English Reference

Word

spawn

US/ˈspɑn/

UK/spˈɔːn/

Definitions

01fish laying eggs

B2 · Science

v. to produce or lay eggs in water, usually in large numbers.

v. to deposit or release eggs; used of aquatic animals such as fish, crustaceans, or amphibians.

“Every year, the salmon swim upstream to spawn in the shallow water.”

“Environmental changes in the river system have significantly altered the timing of when local trout species begin to spawn.”

Technical

Usage

Often used as an intransitive verb in biological contexts.

Synonyms

03appearing in a game

B1 · Computing

v. to appear suddenly in a specific place in a video game.

v. to appear, or cause an entity to appear, at a specific coordinate within a virtual game environment.

“The monsters spawn every ten minutes near the entrance of the cave.”

“Players often complain about enemies spawning directly behind them during intense combat sequences.”

Informal

Usage

Used as an ergative verb; the subject can be the thing appearing or the system creating it.

Antonyms

despawn

04fish eggs

C1 · Science

n. a large mass of eggs from a fish or frog.

n. the mass of eggs deposited by aquatic animals.

“We saw frog spawn floating in the pond during our walk.”

“The researchers collected samples of the spawn to determine the health of the local amphibian population.”

Technical

Synonyms

05offspring

C2

n. a person's children or descendants, often used in a mean or funny way.

n. offspring or descendants; frequently used in a derogatory or humorous sense to imply a large or unwanted number.

“He joked that his sister's spawn were taking over the entire house.”

“The villain in the story was described as the spawn of a dark and ancient power.”

Humorous · Informal

Teaching tip

When used for humans, this is almost always metaphorical and can be offensive if not used jokingly among friends.

Real-World Examples

“The booming smartphone industry has spawned an enormous market in health-related mobile phone applications, with apps related to dieting making up about 12% of the market.”
Phys.org · 19 Aug 2026
“But whether black holes can actually spawn universes and transmit their physics to them is still unknown.”
Smithsonian Magazine · 18 Aug 2026

Etymology

Recorded since 1413; from Middle English spawnen, from Anglo-Norman espaundre, from Old French espandre, from Latin expandere (“stretch out; spread out”, verb). Doublet of expand. Compare also Middle English spalden, spolden, spawden (“to cut open (a fish)”).

From Middle English spawne, from the verb (see above).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Domain

Horticulture

This entry

Level
C1 · Advanced
Frequency
Frequent
Updated

Scan code

englishreference.com/q/spawn

English Reference