noun a word used to identify any of a class of people, places, or things
preposition a word governing, and usually preceding, a noun or pronoun and expressing a relation to another word or element in the clause
When a fashion trend or style is no longer popular or in use, it may be said to be 'in mothballs'. This indicates that it is temporarily set aside or out of circulation.
In military jargon, 'in mothballs' refers to equipment or ships that are placed in storage or reserve status, ready to be activated if needed in the future.
In the business world, 'in mothballs' can describe a project, idea, or plan that has been put on hold or temporarily abandoned, but could be revisited at a later time.
In the aviation industry, aircraft that are no longer in use but are being preserved for potential future use are said to be 'in mothballs'.
The writer's novel had been in mothballs for years before finally being published.
The psychologist's research project had been in mothballs due to lack of funding.
The fashion designer's old collection was in mothballs until it was revived for a new season.
The architect's innovative design had been in mothballs until a new client showed interest.
The software developer's project had been in mothballs until a new technology breakthrough allowed for its completion.