Find Synonyms

sperm Synonyms

Another word for sperm

Choosing another word for sperm depends on context, so the synonyms and similar words below are separated across 3 exact definitions and ranked by match strength.
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• noun (Context 1)

A male reproductive cell (gamete) produced by most animals, typically consisting of a head containing genetic material and a long flagellum for motility to fertilize a female egg.

Usage Example

"During fertilization, a single spermatozoon fuses with an ovum to form a zygote."

Strongest
spermatozoon
sperm cell

• noun (Context 2)

The male reproductive fluid containing spermatozoa; semen.

Usage Example

"The fertility clinic preserves donated semen in liquid nitrogen for future medical procedures."

Strongest
semen
seminal fluid
Weak
milt

• noun (Context 3)

A sperm whale (Physeter macrocephalus), a large toothed whale inhabiting deep oceans worldwide, characterized by its massive block-shaped head that contains a waxy substance called spermaceti.

Usage Example

"Historical whaling logs frequently referred to the giant marine mammal simply as the sperm whale."

Strongest
sperm whale
cachalot

Opposites of sperm

The opposite of sperm shifts depending on context. Common opposites include:

ovum
egg
See all opposites of sperm

• Nearby Words

spending
spendthrift
spendy
sperm
sperm whale
spermicide
sperry

Cite this Entry

Wordmom. (2026). Synonyms for Sperm. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/sperm
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