Strong

aitante

(capable of producing great physical force)

cattivo

(having an offensive or intense odor or flavor)

convincente

(convincing)

convinto

(determined, unyielding)

determinato

(determined, unyielding)

fondato

(convincing)

forte

(capable of producing great physical force)

forte

(fast moving water)

forte

(having an offensive or intense odor or flavor)

forte

(having a high concentration of an essential or active ingredient)

forte

(having a high alcoholic content)

forte

(convincing)

impressionante

(slang: impressive)

intenso

(highly stimulating to the senses)

intenso

(having an offensive or intense odor or flavor)

irregolare

(grammar: irregular)

solido

(capable of withstanding great physical force)

stabile

(having a specified number of people or units)

valido

(military: not easily subdued or taken)