Wiktionary:Word of the day/2026/August 26

Word of the day
for August 26

fidelity n

(uncountable) Often followed by to or towards: faithfulness or loyalty towards a person, a group, one's civic or moral duties, etc.; allegiance; (countable) an instance of this.
1. Faithfulness or loyalty to one's partner or spouse, including restraint from romantic or sexual relationships with third parties.
2. (archaic) Faithfulness to God and one's religion.
(by extension, uncountable)
1. Accuracy, or exact correspondence, to some given fact or quality; exactness.
2. (ecology) The closeness of association between an organism and a plant community.
3. (technology) Chiefly in high fidelity, low fidelity, etc.: the degree to which a system accurately reproduces an input such as an image or sound.
(obsolete)
1. (countable) In by one's fidelity, to break fidelity, to give fidelity, etc.: one's pledge or promise to act in good faith; an oath, a word of honour.
2. (uncountable) Of a person: honesty, trustworthiness; (countable) an instance of this.

Today is National Dog Day in the USA, which was established by the American animal welfare advocate Colleen Paige.