outdated

adjective

out·​dat·​ed ˌau̇t-ˈdā-təd 

: no longer current : outmoded

outdatedly adverb

outdatedness noun

Synonyms of outdated

• obsolete
• archaic
• antiquated

Examples of outdated in a Sentence

an outdated rotary telephone

Recent Examples on the Web

That’s where lighting comes in, one of the easiest and most cost-effective ways to take any space from unwelcoming and outdated to inviting, gently illuminated, and purposeful. —Lauren Jones, Southern Living, 15 Dec. 2025

Older models may use outdated IoT protocols with weaker protections. —Kurt Knutsson, FOXNews.com, 14 Dec. 2025

Then, in the spring, technical problems at the center that directs planes into New Jersey’s Newark Liberty International Airport highlighted a fragile and outdated system relied on by air traffic controllers. —Josh Funk, Fortune, 12 Dec. 2025

That means modernizing curricula, updating accreditation standards, lifting outdated scope-of-practice restrictions and aligning union negotiations with the realities of digital care. —Lawrence Rosenberg, MSNBC Newsweek, 11 Dec. 2025

Word History

First Known Use

1616, in the meaning defined above

Rhymes for outdated

• abated
• ablated
• awaited
• belated
• berated
• castrated
• chelated
• citrated
• collated
• conflated
• created
• curated

Kids Definition

outdated

adjective

out·​dat·​ed (ˈ)au̇t-ˈdāt-əd 

: not up-to-date