different between threat vs perturbation

English

Pronunciation

• (UK, US) enPR: thr?t, IPA^(key): /???t/
• Rhymes: -?t

Etymology 1

From Middle English threte, thret, thrat, thræt, threat, from Old English þr?at (“crowd, swarm, troop, army, press; pressure, trouble, calamity, oppression, force, violence, threat”), from Proto-Germanic *þrautaz, closely tied to Proto-Germanic *þraut? (“displeasure, complaint, grievance, labour, toil”), from Proto-Indo-European *trewd- (“to squeeze, push, press”), whence also Middle Low German dr?t (“threat, menace, danger”), Middle High German dr?z (“annoyance, disgust, horror, terror, fright”), Icelandic þraut (“struggle, labour, distress”), Latin tr?d? (“push”, verb).

Noun

threat (plural threats)

1. An expression of intent to injure or punish another.
   • 1599, William Shakespeare, Julius Caesar, Act 4, Scene 3

     There is no terror, Cassius, in your threats.

2. An indication of potential or imminent danger.
3. A person or object that is regarded as a danger; a menace.

Usage notes

Adjectives at least commonly used along with the noun: existential, possible

Derived terms

• idle threat

Related terms

• threaten
• threatening

Translations

Etymology 2

From Middle English threten, from Old English þr?atian (“to press, oppress, repress, correct, threaten”). Akin to Middle Dutch dr?ten (“to threaten”).

Verb

threat (third-person singular simple present threats, present participle threating, simple past and past participle threated)

1. (transitive) To press; urge; compel.
2. (transitive, archaic) To threaten.
   • 1590, Edmund Spenser, The Faerie Queene, I.vii:

     An hideous Geant horrible and hye, / That with his talnesse seemd to threat the skye […]

   • 1599, William Shakespeare, Julius Caesar, V. i. 37:

     O yes, and soundless too; / For you have stolen their buzzing, Antony, / And very wisely threat before you sting.

3. (intransitive) To use threats; act or speak menacingly; threaten.

Anagrams

• Hatter, hatter, rateth, that're

English

Etymology

Borrowed from Middle French perturbation, from Old French perturbacion, from Latin perturbatio

Pronunciation

• Rhymes: -e???n

Noun

perturbation (countable and uncountable, plural perturbations)

1. (uncountable) Agitation; the state of being perturbed
2. (countable) A small change in a physical system, or more broadly any definable system (such as a biological or economic system)
3. (countable, astronomy, physics) Variation in an orbit due to the influence of external bodies

Related terms

• perturb
• perturbatory

Translations

French

Etymology

Borrowed from Latin perturbatio, perturbationem.

Pronunciation

Noun

perturbation f (plural perturbations)

1. disturbance
2. derangement

Related terms

• perturber

Descendants

• ? Romanian: perturba?ie

Further reading

• “perturbation” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).