Strong
Part of speech: adverb
Definition: in a strong manner
Part of speech: adjective
Definition: capable of producing great physical force. capable of withstanding great physical force fast moving water, wind, etc, which has a lot of power. determined, unyielding highly stimulating to the senses having an offensive or intense odor or flavor having a high concentration of an essential or active ingredient having a high alcoholic content inflecting in a different manner than the one called weak, such as Germanic verbs which change vowels not easily subdued or taken impressive, good
Example sentence: Work hard for what you want because it won't come to you without a fight. You have to be strong and courageous and know that you can do anything you put your mind to. If somebody puts you down or criticizes you, just keep on believing in yourself and turn it into something positive.
Forceful
Part of speech: adjective
Definition: With assertive force; powerful.
Example sentence: I think it would be cool if you were writing a ransom note on your computer, if the paper clip popped up and said, 'Looks like you're writing a ransom note. Need help? You should use more forceful language, you'll get more money.'