sub-

prefix — 3 senses

sub-

prefix

/sʌb/

Etymology From Latin sub- (“under”). Doublet of hypo-.

1

Morpheme Under, beneath.

subterranean
submarine

1 more example

Contrarily, the prefix “sub-” doesn’t change meaning so much as it provides specificity, as seen in the difference between “title” and “subtitle.”2020 March 14, Lindsay del Valle, “36 Spanish Prefixes That Will Increase Your Vocabulary Times 100!”, in Homeschool Spanish Academy:

2

Morpheme Subsidiary, secondary.

subplot

3

Morpheme Almost, nearly.

subconical
subequatorial

Synonyms: under-, hypo-, infra-, pene-, quasi-
Antonyms: super-

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.