out-of-date
[adjective]
Synonyms: old-fashioned, antiquated, dated, expired, invalid, lapsed, obsolete, outmoded, outworn, passé

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Antonyms: up-to-date

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English Thesaurus: old-fashioned, out-of-date, outdated, dated, unfashionable, ...

[TahlilGaran] English Synonym Dictionary ▲

ˌout-of-ˈdate adjective

1. if information is out-of-date, it is not recent and may no longer be correct Synonym : outdated:
The information in the tourist guide is already out-of-date.

2. if something is out-of-date, it is no longer considered useful or effective, because something more modern exists Synonym : outdated:
Their manufacturing methods are hopelessly out-of-date.

3. an official document that is out-of-date cannot be used because the period of time for which it was effective has finished ⇒ invalid:
an out-of-date passport

[TahlilGaran] Dictionary of Contemporary English ▲

old-fashioned not considered modern or fashionable – used about styles of clothes, furniture etc, or about words and ideas:
The room was full of big old-fashioned furniture.
I can’t wear that dress – it’s too old-fashioned.
He had a lot of good old-fashioned values.
out-of-date not containing the most recent information and therefore not useful:
This guidebook is completely out-of-date.
outdated used about machines, equipment, or methods that are old-fashioned and have been replaced by better, more recent ones:
In today’s world, technology rapidly becomes outdated.
The accident was blamed on an outdated rail network.
dated used about styles etc that were fashionable until recently but now look old-fashioned:
The pictures in this book already look a bit dated.
I liked the food but the decor in the restaurant was very dated.
unfashionable not fashionable and not popular with people anymore:
They lived in an unfashionable part of London.
The word ‘patriotic’ has become rather unfashionable these days.
obsolete old-fashioned – used about machines and equipment that are no longer being produced because better ones have been invented:
These days, you buy a computer and it’s almost immediately obsolete.
Many laboratories use obsolete equipment and do not receive enough funding.
antiquated formal old and not suitable for modern needs and conditions:
antiquated ideas about the constitution
an antiquated central heating system
antiquated technology

[TahlilGaran] English Thesaurus ▲

out-of-date
1.
old and therefore not useful or correct any more.
I do have a road map but I suspect it's out-of-date.

He claimed the report was inaccurate and based on out-of-date information.

Some of her ideas are hopelessly out-of-date.

2.
if a document is out-of-date, it cannot be used any more because the period of time when it could be used has ended.
I found out my passport was out-of-date the day before I was due to travel.

No one noticed that he was using an out-of-date permit.

[TahlilGaran] English Idioms Dictionary ▲

out-of-date
no longer current or in style
Computer equipment becomes out-of-date very quickly.

[TahlilGaran] English Idioms Dictionary ▲

out of date
adj. phr. Old fashioned; superseded; no longer valid; too old to be used.
Father's suit is out of date; he needs a new one.
The news magazines in the doctor's office were all out of date.

[TahlilGaran] English Idioms Dictionary ▲