Definitions:

1. support by placing against something solid or rigid verb
   • Faced with declining sales, the company decided to shore up its market position by innovating its product line and enhancing advertising efforts.
   • To prevent the collapse of the old building, engineers worked diligently to shore up its crumbling foundation with new supports.
2. Support or Back Up ADJECTIVE
   • The community shored up local businesses during the pandemic by shopping locally.
   • To provide support, aid, or assistance to someone or something, reinforcing their position or condition.

Synonyms:

• bolster
• buttress
• consolidate
• fortify
• prop
• prop up
• reinforce
• stabilize
• strengthen
• support
• underpin