unsound

Describes something that is not in good condition, not based on reliable evidence, or not logically valid.

ruОписывает что-то, что находится в плохом состоянии, не основано на надежных доказательствах или не является логически обоснованным.esDescribe algo que está en mal estado, que no se basa en pruebas sólidas o que no es lógicamente válido.frDécrit quelque chose qui est en mauvais état, qui n'est pas fondé sur des preuves fiables ou qui n'est pas logiquement justifiable.deBeschreibt etwas, das sich in schlechtem Zustand befindet, nicht auf verlässlichen Beweisen beruht oder nicht logisch begründet ist.ptDescreve algo que está em mau estado, que não se baseia em evidências confiáveis ou que não é logicamente válido. Pode indicar falta de solidez física, fragilidade ou falta de fundamento em argumentos, ideias ou métodos.zh形容事物状况不佳、不牢固；或指论点、结论等缺乏可靠证据或逻辑依据，因而站不住脚。arيُستعمل لوصف شيء في حالة سيئة أو غير متين، أو غير قائم على أدلة موثوقة أو منطق سليم، أو غير صحيح في بنيته. ويُستعمل أيضاً في السياق الطبي بمعنى غير سليم أو معتل.

1. Damaged or decayed B2 formal

   Not in good physical condition; weakened, damaged, or decayed.

   • The old bridge was deemed unsound and closed to traffic.
   • The building's foundation was unsound, requiring extensive repairs.
   • He rejected the timber because it was unsound and full of rot.

   ruПовреждённый или гнилойesPodrido, deterioradofren mauvais état, avariédeBeschädigt oder verfaultptDanificado ou deterioradozh损坏或腐烂的arتالف أو متفسخ

   同义词: corrodeddamageddecayeddiseasedfrailricketyrottenunhealthyunstableweakworn

   反义词: healthyintactsolidsoundsturdy

2. Financially weak B2 formal

   Not financially stable or secure; risky or unreliable.

   • The company's unsound financial practices led to its bankruptcy.
   • Investors were warned about the unsound nature of the scheme.
   • The bank's unsound lending policies caused a crisis.

   ruФинансово нестабильныйesFinancieramente insegurofrfinancièrement fragiledeFinanziell instabilptFinanceiramente instávelzh财务不稳健arغير مستقر ماليًا

   同义词: insecureprecariousriskyshakyunreliableunstableweak

   反义词: safesecuresolidsoundstablestrong

3. Based on fallacy C1 formal

   Containing or based on a fallacy; logically flawed or incorrect.

   • His argument was unsound because it relied on false assumptions.
   • The court rejected the unsound reasoning presented by the defense.
   • An unsound conclusion can lead to poor decision-making.

   ruНеобоснованныйesNo sólido (falaz)frNon fondé (sur un raisonnement erroné)deUnbegründetptInfundadozh不合理的arغير سليم منطقيًا

   同义词: erroneousfallaciousfalsefaultyflawedillogicalinvalidspeciousspuriousuntenable

   反义词: cogentlogicalreasonedsoundvalid

4. Mentally ill C1 formal

   Suffering from severe mental illness or instability.

   • The defendant was found to be of unsound mind and unfit for trial.
   • She was committed to a hospital after being declared unsound.
   • His unsound mental state made him a danger to himself.

   ruПсихически нездоровыйesmentalmente enfermofrMentalement instabledeGeistig unzurechnungsfähigptMentalmente insanozh精神失常arمضطرب عقليًا

   同义词: crazeddementedderangeddisturbedinsanemadmentally illunbalancedunhinged

   反义词: healthyrationalsanesoundstable

5. Physically diseased B2 formal

   Physically unsound or diseased; not healthy.

   • The doctor declared his lungs unsound due to years of smoking.
   • The horse was unsound and could not race.
   • An unsound body often leads to an unsound mind.

   ruБольнойesenfermo, no sanofrmaladifdeKrankptDoentezh有病的arمريض

   同义词: ailingdiseasedinfirmsicklyunhealthyunwell

   反义词: healthysoundwell

6. Unreliable advice B2 formal

   Of advice, not based on good judgment or facts; unreliable.

   • He gave unsound advice that led to financial loss.
   • Following unsound medical advice can be dangerous.
   • The consultant's unsound recommendations were ignored.

   ruНенадёжный советespoco fiable (para consejos)frConseil peu fiabledeUnzuverlässiger RatptConselho não confiávelzh不可靠的建议arنصيحة غير سليمة

   同义词: dubiousfallaciousflawedflimsyinvalidquestionableshakysuspectunfoundedunreliableuntenable

   反义词: reliablesoundtrustworthyvalid

• more unsound comparative form
• most unsound superlative form