demonstrar

Senses

1. 1.

   to demonstrate, to show

   to make something visible or clear to others

2. 2.

   to prove, to demonstrate

   to establish the truth of something through evidence or reasoning

3. 3.

   to express, to show

   to make feelings or attitudes evident

Examples

• "O professor demonstrou como resolver o problema no quadro."

  The teacher demonstrated how to solve the problem on the board.

• "Ela sempre demonstra carinho pelos filhos."

  She always shows affection for her children.

• "Os cientistas demonstraram a eficácia da vacina através de estudos clínicos."

  The scientists demonstrated the vaccine's effectiveness through clinical studies.

Usage

Formal to neutral register. Common collocations include "demonstrar interesse" (to show interest), "demonstrar preocupação" (to show concern), and "demonstrar carinho/amor" (to show affection/love). In mathematical or scientific contexts, it typically means "to prove." Takes a direct object without preposition.