decennial
Intermediate (B1)
IPA: /dɪˈsɛn.i.əl/
KK: /dɪˈsɛn.i.əl/
adjective
Definition
Happening or relating to a period of ten years.
Example
The city held a decennial celebration to mark its 100th anniversary.
Conversation
Did you hear about the decennial festival happening next year?
Yeah, I remember going to the last one ten years ago!
It feels like just yesterday, doesn’t it?
I know! I can’t wait to see what they have planned for this decennial celebration.
Synonyms & Antonyms
Synonyms
ten-year
decade
10-year
Antonyms
annual
biennial
triennial
noun
Definition
A celebration or event that occurs every ten years.
Example
The city held a decennial celebration to mark its founding.
Conversation
Can you believe it's been ten years since we graduated?
I know, right? We should do something special for our decennial reunion.
That's a great idea! Any thoughts on what we could plan?
Root Explanation
Decennial is formed from "decem" (meaning ten) and "annus" (meaning year). The word refers to a period of ten years.
Memory Tip
Think of 'ten' ('decem') and 'year' ('annus') to remember that decennial means a period of ten years.
Visually Confused Words
undecennial
duodecennial
quindecennial
denial