supplemental

C2+ Topic:Describing Qualities

US /ˌsʌpləˈmɛntəl/ UK /ˌsʌpləˈmɛntəl/ See IPA manual

adj

Meanings

1

adj
added to complete or enhance something; additional

Students received supplemental notes before the exam.

Thesaurus

Synonyms

1 adj · added to complete or... supplementary additional extra auxiliary ancillary complementary

Opposites

essential primary integral

Word family

Derived forms supplementally

Related forms supplement supplementary supply

Etymology

From supplement (from Latin supplementum 'that which fills up', from supplere 'to fill up', from sub- 'up from below' + plere 'to fill') plus the adjectival suffix -al.

supplementum Latin plēre Latin

View etymology graph ->

Topics

Describing Qualities Word Formation & Derivatives

# supplemental

**Type:** Word
**Level:** C2+
**Part of speech:** adj
**IPA (US):** ˌsʌpləˈmɛntəl
**IPA (UK):** ˌsʌpləˈmɛntəl

## Meanings
1. added to complete or enhance something; additional

## Examples
- Students received supplemental notes before the exam.

## Synonyms
- supplementary
- additional
- extra
- auxiliary
- ancillary
- complementary

## Antonyms
- essential
- primary
- integral

## Derived Forms
- supplementally

## Related Forms
- supplement
- supplementary
- supply

## Roots and Affixes
- Root: supplementum
- Root: plēre

## Etymology
From supplement (from Latin supplementum 'that which fills up', from supplere 'to fill up', from sub- 'up from below' + plere 'to fill') plus the adjectival suffix -al.

## AI Etymology
Supplemental comes from supplement (from Latin supplementum 'that which fills up', from supplere 'to fill up', from sub- 'up from below' + plere 'to fill') plus the adjectival suffix -al. The historical chain includes Latin supplementum and Latin plēre. The quoted older senses, "that which fills up", "to fill up", "up from below", and "to fill", supply the semantic anchors for supplemental. The formation is best read as suffixal, compound, and borrowed: the word supplemental carries its older form-history into a compact English lexical shape. In present English it is used as a adj, "added to complete or enhance something; additional". English derivatives include supplementally; related English forms include supplement, supplementary, and supply. The result is a adj whose etymology preserves both the older form and the later English specialization.

## Topics
- Describing Qualities
- Word Formation & Derivatives

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