Preloved means second-hand. An item that belonged to someone before you. That is the whole definition, and anyone telling you it means something more technical is overcomplicating it.
What is worth understanding is why the word exists at all, and where it sits against the other terms you will see on resale sites.
Where the word came from
Preloved emerged in British and Australian resale in the 1990s and spread widely with online marketplaces in the 2010s. It was a deliberate reframing: 'used' and 'second-hand' both carry an implication of wear, of something diminished by its previous life.
'Preloved' says the opposite — that the item was valued, and is being passed on rather than discarded. Marketing, certainly. But it also describes something real about a category where the previous owner often barely wore the thing.
Preloved vs second hand vs pre-owned
These three are interchangeable. They all mean previously owned, with no difference in condition implied by any of them.
The choice between them is tone. 'Second hand' is the plain, neutral term. 'Pre-owned' migrated in from cars and luxury watches and sounds more commercial. 'Preloved' is the warmest of the three and dominates fashion resale. Anyone using them to mean different things is inventing a distinction that does not exist.
Preloved vs vintage
This is a real distinction. Vintage refers to age, not ownership: the widely used threshold is 20 years or older, with anything over 100 years counted as antique. Preloved refers only to the fact that someone owned it before.
So a dress from 1985 sold by its original owner is both vintage and preloved. A lehenga bought last year and worn once is preloved but nowhere near vintage. Most resale stock is the second kind.
Preloved vs thrifted
Thrifted describes where something was bought rather than what it is — typically a charity shop or thrift store, and usually implying a bargain. The item itself is preloved either way.
'Thrifting' is largely American in origin and carries a connotation of hunting for a find, which is why it attaches to charity shops rather than to specialist marketplaces.
Why it matters for occasion wear
In most clothing categories, second-hand really does mean worn. Occasion wear is the exception, and it is why the word fits this category better than any other.
A wedding outfit is worn for one day. An Eid suit is worn twice. A child's lehenga is outgrown in a season. These pieces are retired because the occasion passed or the fit changed, not because they wore out — so a preloved bridal lehenga is frequently indistinguishable from a new one, at a fraction of the price. That gap between condition and price is the entire reason this market exists.