© 2026 Sloth Lingo. Learn easy. Lounge wisely.

tertiary

Intermediate (B1)

IPA: //ˈtɜːrʃəri//

KK: /ˈtɜrʃiˌɛri/

adjective
Definition

Relating to the third level, rank, or order in a series; often used in contexts like education, geology, or chemistry.


Example

In the education system, tertiary institutions include universities and colleges.


Conversation
Sloth A
Did you know there are tertiary colors in art?
Sloth B
Yeah, I learned about them in my painting class last week!
Sloth A
It's interesting how they mix primary and secondary colors.
Sloth B
Absolutely! It really adds depth to the artwork.

Synonyms & Antonyms
Synonyms
third
auxiliary
secondary
Antonyms
primary
main
principal
noun
Definition

A term used to describe something that is third in order or level, often referring to a category or classification.


Example

In the education system, tertiary education follows secondary education and includes universities and colleges.


Conversation
Sloth A
Did you know that the tertiary period was crucial for the evolution of many species?
Sloth B
Really? I had no idea it played such an important role.
Sloth A
Yeah, it’s fascinating how much change happened back then.
Sloth B
Root Explanation

Tertiary → It is formed from "tertius" (meaning third) in Latin, and the suffix "-ary" (meaning relating to or connected with). The word "tertiary" refers to something that is third in order or rank.

Memory Tip

Think of 'third' ('tertius') to remember that 'tertiary' means something that is third in a sequence.

Visually Confused Words
ditertiary
termitary
trinary
ternary
tartary
seriary
retiary
Is this page helpful?
I should read more about it; it sounds really interesting!

Synonyms & Antonyms
Synonyms
third
triple
tertiary
Antonyms
primary
secondary
quaternary