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Definitions

simplex

[sim-pleks] / ˈsɪm plɛks /
ADJECTIVE
elementary
Synonyms
STRONGEST
elemental fundamental rudimentary straightforward underlying
WEAK
ABCs abecedarian basal beginning child's play clear duck soup easy essential facile foundational initial introductory meat and potatoes original plain prefatory preliminary primary primitive primo simplest simplified substratal uncomplex uncomplicated
Antonyms
STRONGEST
additional advanced extra secondary
WEAK
abstruse complex complicated compound difficult hard intricate involved
ADJECTIVE
rudimental
Synonyms
WEAK
ABCs abecedarian basal basic beginning child's play clear duck soup easy elemental essential facile foundational fundamental initial introductory meat and potatoes original plain prefatory preliminary primary primitive primo rudimentary simplest simplified straightforward substratal uncomplex uncomplicated underlying

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It is based on a modified herpes simplex virus that has been engineered to replicate only inside glioblastoma cells, leaving healthy tissue unaffected.

From Science Daily • Mar. 20, 2026

In Fayetteville, North Carolina, in 2020, as in other military towns across the U.S., rates of sexually transmitted infections like syphilis, herpes simplex and HIV are among the highest in the country.

From Salon • Jul. 20, 2025

Deaths caused by HSV-1 - herpes simplex 1 - are almost unheard of in healthy people.

From BBC • Jul. 26, 2023

The treatment, called Vyjuvek, uses an inactivated herpes simplex virus to deliver working copies of that gene.

From Seattle Times • Jul. 24, 2023

Thus black guinea-pigs of formula BB are duplex with regard to the determiner for black color, individuals of formula Bb are simplex with reference to this determiner, and those of formula bb are nulliplex.

From Being Well-Born An Introduction to Eugenics by Guyer, Michael F.