General strength:
* Sterk: This is the most common and direct translation of "strong."
* Kragtig: This word emphasizes power and force, and can also be used for something that is strong or impressive.
Physical strength:
* Sterk: This is still the most common translation.
* Gespierd: This means "muscular" and is used to describe someone with strong muscles.
Emotional strength:
* Sterk: This is still the most common translation.
* Moedig: This means "brave" or "courageous" and is used to describe someone who is emotionally strong.
* Vasberade: This means "determined" and is used to describe someone who is strong-willed.
Other uses:
* Sterk: This can also be used for a strong drink, a strong smell, or a strong opinion.
* Solied: This means "solid" and can be used to describe something that is strong and well-built.
The best translation depends on the specific context of your sentence.