Synteresis

//sɪntɪˈɹiːsɪs// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    An aspect of one's conscience by which one can judge wrong from right and decide on what makes good conduct (as distinguished from syneidesis). historical, uncountable

    "Synteresis, or the purer part of the conscience, is an innate habit, and doth signify “a conservation of the knowledge of the law of God and Nature, to know good or evil”."

  2. 2
    Preventive treatment; prophylaxis. obsolete, uncountable

Example

More examples

"Synteresis, or the purer part of the conscience, is an innate habit, and doth signify “a conservation of the knowledge of the law of God and Nature, to know good or evil”."

Etymology

From Medieval Latin syntērēsis (in Thomas Aquinas), from Ancient Greek συντήρησις (suntḗrēsis, “careful watching”), from συντηρεῖν (suntēreîn, “to keep guard”).

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.