outdated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: no longer current : outmoded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Synonyms of outdated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Examples of outdated in a Sentence

an outdated rotary telephone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

The tax would constrain current residents who might desire to relocate later without incurring the penalty imposed by the outdated rules applicable to home sales. —Kevin Cole, San Diego Union-Tribune, 26 Mar. 2026

But when those profit calculations are built on outdated financial models, everyday ratepayers end up covering the gap. —Andre Johnson Jr, Baltimore Sun, 26 Mar. 2026

These schools aren’t just teaching theories or skill sets that might quickly prove outdated. —Jerry Balentine, Fortune, 26 Mar. 2026

The claim alleges deputies violated bomb protocols by using outdated equipment and bringing a live grenade to a training facility where explosives are prohibited. —Richard Winton, Los Angeles Times, 25 Mar. 2026

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Rhymes for outdated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outdated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