obsolete
44 synonyms and 12 antonyms for obsolete, grouped by meaning and by how common each one is.
Adj — No longer used because something newer or better has replaced it.
Synonyms
Everyday swaps
Common words most readers know — safe in any writing.
Less common
Still standard English, but they carry more weight.
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
Antonyms
How to use obsolete
The word patterns that sound natural to a native speaker.
Etymology
From Latin obsoletus, "worn out, gone out of use", from obsolescere, "to fall into disuse" — the source of the word "obsolescence".
Full origin of obsolete →Frequently asked questions
What does “obsolete” mean?
The word “obsolete” means no longer used because something newer or better has replaced it. In plain terms, out of date and no longer in practical use.
How do you pronounce “obsolete”?
“Obsolete” is pronounced OB-suh-leet (/ˈɑbsəlit/ in IPA).
How do you use “obsolete” in a sentence?
Here is “obsolete” used in a sentence: “That software became obsolete once the new operating system launched.”
What is another word for “obsolete”?
Words with a similar meaning to “obsolete” include anachronistic, antediluvial, antediluvian, antiquated, antique and archaic.
What is the opposite of “obsolete”?
The opposite of “obsolete” — its antonyms — are active, current, employed, fashionable and future proof.
What part of speech is “obsolete”?
“Obsolete” is an adjective.
Where does the word “obsolete” come from?
The word “obsolete” comes from Latin. From Latin obsoletus, "worn out, gone out of use", from obsolescere, "to fall into disuse" — the source of the word "obsolescence".
Is “obsolete” a common word?
“Obsolete” is an uncommon word in modern English.
What is the difference between obsolete and outdated?
Obsolete means no longer used because something newer or better has replaced it entirely, often implying the item is no longer functional or relevant at all. Outdated can simply mean old-fashioned or behind current standards while still being usable, so obsolete is generally the stronger term.
Can technology become obsolete quickly?
Yes, technology is one of the most common areas where things become obsolete, since newer devices, formats, or software frequently replace older ones within a short time. A once-common gadget or file format can become obsolete as soon as a better replacement becomes standard.
Does obsolete mean broken or just unused?
Obsolete does not necessarily mean broken; it means the item or system is no longer used because it has been superseded by something newer or better. An obsolete device may still technically work but is no longer practical or supported.