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long past its prime
/lɔŋ pæst ɪts pɹaɪm/
no longer effective or in good condition
The old factory has been long past its prime, with rusted machines and peeling paint.
The factory is in very poor condition due to age and neglect.
informal
having lost effectiveness, vitality, or good condition due to age or overuse
This building is long past its prime and needs major renovation.
The building is too old and worn out to be useful without significant repairs.
The athlete’s performance declined because he was long past his prime.
The athlete was too old and no longer at the peak of physical ability.
Often used for people, objects, or systems that were once strong or effective but are now weak or deteriorated.
Collocations
long past its primeno longer in good conditionpast its primeno longer at peak performance
Related Phrases
Pro Tip
Usage in Context
Use 'long past its prime' to describe things that were once good but are now clearly declining. Avoid using it for temporary setbacks—it suggests permanent decline.
Gold Rule
Don't confuse with temporary states
The phrase implies irreversible decline. For temporary issues, use 'not at its best' or 'going through a rough patch'.
Word Origin
The phrase combines 'long' (indicating duration) with 'past its prime' (a metaphorical reference to the peak period of life or functionality). 'Prime' originally referred to the first or most vigorous stage of life, later extending to objects and systems.
Usage Notes
Commonly used in both literal (e.g., old machinery) and figurative (e.g., aging celebrities) contexts. Often implies a sense of irreversible decline rather than temporary setback.
Word Breakdown
long
for a considerable time
adverbpast
beyond the point of
prepositionits
belonging to it
possessive pronounprime
peak condition or period
nounEnglish Dictionary