© 2026 Sloth Lingo. Learn easy. Lounge wisely.

supplementary

Intermediate (B1)

IPA: /ˌsʌplɪˈmɛn.tər.i/

KK: /sʌplɪˈmɛntəri/

adjective
Definition

Something that is added to provide extra support or information.


Example

The teacher provided supplementary materials to help students understand the topic better.


Conversation
Sloth A
Did you see the supplementary materials for the class?
Sloth B
Yeah, they really help clarify some points.
Sloth A
I wish they had more supplementary resources available online.
Sloth B
That would be great! It would make studying so much easier.

Synonyms & Antonyms
Synonyms
additional
extra
ancillary
Antonyms
primary
main
essential
Root Explanation

Supplementary → It is formed from "supplement" (from Latin "supplementum", meaning something added) and the suffix "-ary" (meaning pertaining to or connected with). The word "supplementary" refers to something that is added to enhance or complete something else.

Memory Tip

Think of something that is 'added' ('supplement') to make it better or more complete, and the '-ary' means it relates to that addition.

Visually Confused Words
presupplementary
superelementary
subelementary
unelementary
Is this page helpful?