1. structures built against walls to provide support or reinforcement
Usage: architecture
2. things that provide support or encouragement
Usage: figurative

1. to support or strengthen with or as if with a buttress

Examples

• The cathedral’s flying buttresses helped support the high walls.
• Stone buttresses were added to prevent the old building from collapsing.
• Education and healthcare serve as buttresses of a strong society.
• The research buttresses her argument about climate change.
• He buttresses his claims with solid evidence.
• The new policies buttress the company’s commitment to sustainability.