Find Synonyms
yearslong Synonyms
Another word for yearslong
Choosing another word for yearslong that fits your sentence is easier when synonyms and similar words are paired with an exact adjective definition and ranked by match strength.
• adjective (Context 1)
Lasting or continuing for several years.
Usage Example
"The researchers finally published the findings of their multiyear study on climate patterns."
Strongest
multiyear
Strong
prolonged
protracted
extended
long-standing
lengthy
Opposites of yearslong
The opposite of yearslong shifts depending on context. Common opposites include:
brief
short-lived
fleeting
momentary
Cite this Entry
Wordmom. (2026). Synonyms for Yearslong. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/yearslong