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  2. Paradoxical reaction - Wikipedia

    en.wikipedia.org/wiki/Paradoxical_reaction

    Naltrexone blocks the opioid receptors, acting opposite to most opioid pain medications. [22] It can be used to negate the effects of opioid painkillers. At doses around one-tenth of the typical dose, naltrexone has been used for pain relief. Low-dose naltrexone is believed to have an anti-inflammatory effect. This is an off-label use and not ...

  3. Paraphasia - Wikipedia

    en.wikipedia.org/wiki/Paraphasia

    Superordinate semantic paraphasias replace a specific target word with a more generalized group to which the target word involves, such as replacing pear with fruit. Subordinate semantic paraphasias are the opposite of superordinate semantic paraphasias and replace the target word with one that is more specific – rose, for flower, for example.

  4. Opposite - Wikipedia

    en.wikipedia.org/wiki/Opposite

    Complementary antonyms are word pairs whose meanings are opposite but whose meanings do not lie on a continuous spectrum (push, pull). Relational antonyms are word pairs where opposite makes sense only in the context of the relationship between the two meanings (teacher, pupil). These more restricted meanings may not apply in all scholarly ...

  5. Agonist - Wikipedia

    en.wikipedia.org/wiki/Agonist

    Receptors can be activated by either endogenous agonists (such as hormones and neurotransmitters) or exogenous agonists (such as drugs), resulting in a biological response.A physiological agonist is a substance that creates the same bodily responses but does not bind to the same receptor.

  6. Hunger (physiology) - Wikipedia

    en.wikipedia.org/wiki/Hunger_(physiology)

    In contrast, the hormones peptide YY and leptin can have an opposite effect on the appetite, causing the sensation of being full. Ghrelin can be released if blood sugar levels dip too low—a condition called hypoglycemia that can result from long periods without eating. Stomach contractions from hunger can be especially severe and painful in ...

  7. Releasing and inhibiting hormones - Wikipedia

    en.wikipedia.org/wiki/Releasing_and_inhibiting...

    Releasing hormones and inhibiting hormones are hormones whose main purpose is to control the release of other hormones, either by stimulating or inhibiting their release. . They are also called liberins (/ ˈ l ɪ b ə r ɪ n z /) and statins (/ ˈ s t æ t ɪ n z /) (respectively), or releasing factors and inhibiting fac

  8. Unpaired word - Wikipedia

    en.wikipedia.org/wiki/Unpaired_word

    An unpaired word is one that, according to the usual rules of the language, would appear to have a related word but does not. [1] Such words usually have a prefix or suffix that would imply that there is an antonym , with the prefix or suffix being absent or opposite.

  9. Antiphrasis - Wikipedia

    en.wikipedia.org/wiki/Antiphrasis

    Antiphrasis is the rhetorical device of saying the opposite of what is actually meant in such a way that it is obvious what the true intention is. [1] Some authors treat and use antiphrasis just as irony, euphemism or litotes. [2] When the antiphrasal use is very common, the word can become an auto-antonym, [3] having opposite meanings ...