Pronunciation: /ˈfɔrtəˌfaɪ/
verb to strengthen or secure (a place) with defensive works, military forces, etc.
A1 I fortify my home by locking all the doors and windows at night.
A2 Adding extra layers of security cameras can help fortify the office building.
B1 The soldiers fortified their position by building a barricade.
B2 The city walls were fortified with additional reinforcements to withstand any attacks.
C1 The company decided to fortify their market position by acquiring a competitor.
C2 The treaty included provisions to fortify the alliance between the two countries.
formal The soldiers worked diligently to fortify the castle walls against potential attacks.
informal Let's fortify our position before the enemy arrives.
slang We need to beef up security to fortify the building.
figurative Reading books can fortify your mind with knowledge.
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