[ an-l-jee-zee-uh, -see-uh ]
/ ˌæn lˈdʒi zi ə, -si ə /
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noun Medicine/Medical.
absence of sense of pain.
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Origin of analgesia

1700–10; <New Latin <Greek analgēsía painlessness, equivalent to análgēt(os) without pain (an-an-1 + álg(os) pain + -ētos adj. suffix) + -ia-ia
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023


What does analgesia mean?

Analgesia is a lessening of pain or the absence of pain.

It’s usually used in the context of medicine as a more technical way of saying pain relief.

The related word analgesic refers to a remedy that reduces or relieves pain. It especially refers to pain relief medicine, such as acetaminophen or NSAIDs (nonsteroidal anti-inflammatory drugs) like ibuprofen. Analgesic can also be used as an adjective describing things that have pain-relieving effects, as in the analgesic properties of certain herbs. 

Example: The study determined that the medication can interfere with analgesia in certain patients.

Where does analgesia come from?

The first records of analgesia come from around 1700. It comes from the Greek analgēsía, meaning “painless.” The word is a combination of the prefix an-, meaning “without,” and the Greek algein, meaning “to feel pain.” The English word algesia can mean “the capacity to feel pain,” “sensitivity to pain,” or “hypersensitivity to pain.”

Analgesia is a technical medical term, but pain relief is such a common topic that the word has become somewhat commonly recognized by people who are not medical professionals. This is especially due to the widespread use of pain relievers called analgesics. These come in many forms, including gels and injections, but they are most commonly used in pill form. Mild analgesics are sold at the drugstore, while more powerful ones are prescribed or used to treat patients at the hospital. NSAIDs are a specific type of analgesics that treat inflammation.

Analgesia typically involves dulling pain or masking the feeling. This should not be confused with anesthesia, which is intended to remove all sensation from an area and sometimes causes unconsciousness.

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What are some other forms related to analgesia?

What are some synonyms for analgesic?

What are some words that share a root or word element with analgesic

What are some words that often get used in discussing analgesic?

How is analgesia used in real life?

Analgesia is typically used as a technical term in the context of medicine. People who are not medical professionals are much more likely to just say pain relief. 



Try using analgesia!

Is analgesia used correctly in the following sentence? 

It’s important to determine the right method of analgesia, since patients react to medications differently.

How to use analgesia in a sentence

British Dictionary definitions for analgesia


analgia (ænˈældʒɪə)

/ (ˌænəlˈdʒiːzɪə, -sɪə) /

inability to feel pain
the relief of pain

Word Origin for analgesia

C18: via New Latin from Greek: insensibility, from an- + algēsis sense of pain
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012