decennary

C2+ Topic:Word Formation & Derivatives

US /dɪˈsɛnəri/ UK /dɪˈsenəri/ See IPA manual

Meanings

1

noun
a period of ten years; relating to ten years

The town marked its decennary with a festival.

Thesaurus

Synonyms

1 noun · a period of ten years;... decade decennium decennial

Word family

Related forms decennial decennium decade

Etymology

From Latin decennārius, from decennium ('period of ten years'), from decem ('ten') plus annus ('year').

decennium Latin decem Latin annus Latin

View etymology graph ->

Topics

Word Formation & Derivatives General Vocabulary

External links

# decennary

**Type:** Word
**Level:** C2+
**Part of speech:** noun
**IPA (US):** /dɪˈsɛnəri/
**IPA (UK):** /dɪˈsenəri/

## Meanings
1. a period of ten years; relating to ten years

## Examples
- The town marked its decennary with a festival.

## Synonyms
- decade
- decennium
- decennial

## Related Forms
- decennial
- decennium
- decade

## Roots and Affixes
- Root: decennium
- Root: decem
- Root: annus

## Etymology
From Latin decennārius, from decennium ('period of ten years'), from decem ('ten') plus annus ('year').

## AI Etymology
Decennary is from Latin decennārius, from decennium ('period of ten years'), from decem ('ten') plus annus ('year'). The ancestry passes through Latin decennium, Latin decem, and Latin annus. In present use as noun and adjective, it means "a period of ten years; relating to ten years", keeping the historical formation close to the word's ordinary semantic work. Related words include decennial, decennium, and decade. The surrounding word family keeps the same base visible in decennial, decennium, and decade, showing how the headword belongs to a larger cluster rather than standing alone.

## Topics
- Word Formation & Derivatives
- General Vocabulary

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