substance

• Nom désignant un type de matière aux propriétés homogènes, ou l'essence, le contenu fondamental de quelque chose.

A noun referring to a particular kind of matter with uniform properties, or the essential nature or quality of something.

1. Physical matterA2formal

   A particular kind of matter with uniform properties.

   substance (matière)

   • Water is a clear liquid substance.
   • The chemist analyzed the unknown substance.
   • This substance is toxic if ingested.

   Synonymesfabricmaterialmattermediumstuff

2. Importance or meaningB2formal

   The quality of being important, valid, or significant.

   importance, sens

   • His argument lacked substance and was easily dismissed.
   • The report has little substance and is mostly speculation.
   • She is a woman of substance and integrity.

   Synonymesconsequenceimportimportancemeaningsignificancevalidityvalueweight

   Antonymesinsignificancemeaninglessnesssuperficialitytrivialityunimportance

3. Drug or intoxicantB1informal

   An illegal or harmful drug.

   substance (drogue)

   • He was arrested for possession of a controlled substance.
   • The athlete tested positive for banned substances.
   • Substance abuse can lead to serious health problems.

   Synonymescontrolled substancedopedrugintoxicantnarcotic