Where the prefix retro- does not merely "reverse" the existing condition (which would already be the opposite e.g. retro-rocket), the opposite would be pro- (proactive, progressive, prograde, and prospective).
The antonym prefix for "retro" is "pro-", which signifies forward or ahead in time. An example is "progress" where "pro-" is used as a prefix to indicate moving forward or advancing.
The prefix of the word retroperitoneum is "retro-," which means behind, backwards, or on the other side.
The antonym prefix for "capable" is "in." An example would be "incapable."
The antonym for alcoholic with the prefix "non-" added is "nonalcoholic."
The prefix "retro-" means "backward" or "behind." It is commonly used to show something is old-fashioned or based on previous styles or trends.
The prefix "un-" could be added to "caring" to make it an antonym, resulting in "uncaring."
The prefix of the word retroperitoneum is "retro-," which means behind, backwards, or on the other side.
Periton- is the root and retro- the prefix for retroperitoneal.
Retro, or perhaps anti in some cases, such as anticlockwise.
The antonym prefix for "capable" is "in." An example would be "incapable."
retrospect retrograde
retro
The prefix "retro-" means "backward" or "behind." It is commonly used to show something is old-fashioned or based on previous styles or trends.
Backwards, or back in time.
The prefix that fits the definition of backward or back is "re-".
prefix
retro- eg: retrograde
Retro