Radius
One word that fits this definition is brace.
One word that fits this definition is ditch.
yes a dsi charger fits a dsi XL and a dsi XL fits the dsi
If the scarf fits, wear it!
Machiavellian
yes, cargo fits the general definition of a noun, a person, place, or thing.
an equal chance of being selected for each person
The prefix that fits the definition of backward or back is "re-".
Observation.
"Frivolous" fits the definition of incapable of serious thought.
Black Hole
The prefix that fits the definition of pseudoscience is "pseudo-", which means false or not genuine.
"Malice" is a word that fits the definition of a desire to harm someone. It implies a deliberate intention to cause harm or suffering to another person.
Yes, it fits the definition
Para
Yes, Panama fits the definition of an isthmus.