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A dimorphic feature is a feature that will appear more in males than in females. So logically, the less said feature appears in women, the more dimorphic it is since it is more testosteronic.
Here is Dimorphism rank from lowest to highest:
10. Compact midface:
A universally good feature, but can be hurtful past a certain extent. Has some correlation with prenatal test (to an extent) as a compact midface goes with a high fwhr, which is well correlated with high pren t. But when a midface ratio is too high, it appears neotenous and might actually have a negative correlation to dimorphism. EME angle (pretty much midface ratio but with angle measurement) was found to be more dimorphic at the lower angles and more feminine at the higher ones. A wide ipd (in relation to skull size) was found to correlate negatively with prenatal testosterone, and as we know, ipd is one of the measurement points in calculating midface.
9. Height:
Low on this scale because height seems to rely on hgh/genes rather than testosterone. A 163cm (5'4") guy will still be infinitely more masculine than a 175cm (5'9") girl, he will still have higher shoulder to hip ratio, larger masculine skull, bigger hands, etc. It is still slightly dimorphic as men tend to be larger than women, but by itself it has nothing on the previous dimorphic features I mentioned.
8. Jawline:
Might surprise some of you why jawline is so low on the list. Reason being is that a low gonial angle correlates more with masticatory performance and environmental development rather than testosterone levels. There are many masculine looking men with weak jawlines and many feminine looking women with sharp ones. The sheer size of the jaw is dimorphic though.
7. High fWHR:
Indicator of high prenatal testosterone but small correlation with postnatal testosterone. Sign of aggression and and short term mating success, can be unisex but very high fwhr becomes exclusively dimorphic as at that point it starts to showcase a large skull.
6. Large skull with low neurocranium to splanchnocranium ratio:
If you were to put a 170cm (5'7") guy next to a 183cm (6'0") woman, the 170cm guy would still most likely have a larger skull. A large skull (in relation to height) is a good indicator of dimorphism as women have smaller skulls. Women's skulls tend to have a bigger head in relation to the lower face creating a more "neotenous" look whereas men tend to have the opposite, creating a "warrior" look. A low neurocranium to splanchnocranium ratio/high lower full face ratio is an indicator of high testosterone. A large skull in combination with low neurocranium to splanchnocranium ratio is a very dimorphic trait and frames the face for dimorphic features.
5. Strong brow area:
Heavy low brows with a protruding browridge are a signal of high testosterone and it's evolutionary trait is to protect the eyes from a fight. It carries to the modern day too, as women thread and modify their brows to look less heavy and more light whereas if a man does the same, it looks gay. Rare on women, it is a strong dimorphic trait.
4. Chin:
A tall, wide, and protruding chin is the most dimorphic facial feature a man could have. A signal of high testosterone, a strong chin will rarely ever appear on a woman due to how androgenic it is. It's evolutionary feature would be to protect the man's lower face from a hit. The chin appears to get stronger the closer you get to the DOM in the masculinity scale.
3. Deep voice:
Pretty known that women love a deep voice, but why so high on this list you may ask? Although a deep voice has no play in evolutionary usefulness like other traits, it is a signal of high testosterone. Women raise their voice pitch when talking to an attractive man and vice versa, showing that a deep voice is a highly dimorphic trait. You will rarely find a woman with a deeper voice than a man.
2. High shoulder to hip ratio:
Extremely dimorphic since there is a much lower cap for females than there is for males. Wide hips are an indicator of low testosterone in men and are an indicator of high estrogen in women. Not only the hips, but the shoulder width is also an indicator of dimorphism. Women have wide hips for a reason, and it's to bear children. Men have wide shoulders for a reason and that is for fighting success. It explains our attraction to wide hips and their attraction to wide shoulders, it's evolutionary.
1. Dick:
This should make obvious sense as being the most dimorphic trait, as no biological female has a penis and all biological males have a penis. The clitoris is pretty much an underdeveloped penis or a penis with extremely low levels of test, and a larger clitoris is an indicator of high test in females. Conversely, a small penis is an indicator of low test in males. So this should pretty much lay out that: the bigger the dick, the more dimorphic it is. The penis is literally the only thing that distinguishes you as a man from a woman. A man could have all the female features like wide hips, gyno, etc. but he will always have a penis.
Here is Dimorphism rank from lowest to highest:
10. Compact midface:
A universally good feature, but can be hurtful past a certain extent. Has some correlation with prenatal test (to an extent) as a compact midface goes with a high fwhr, which is well correlated with high pren t. But when a midface ratio is too high, it appears neotenous and might actually have a negative correlation to dimorphism. EME angle (pretty much midface ratio but with angle measurement) was found to be more dimorphic at the lower angles and more feminine at the higher ones. A wide ipd (in relation to skull size) was found to correlate negatively with prenatal testosterone, and as we know, ipd is one of the measurement points in calculating midface.
9. Height:
Low on this scale because height seems to rely on hgh/genes rather than testosterone. A 163cm (5'4") guy will still be infinitely more masculine than a 175cm (5'9") girl, he will still have higher shoulder to hip ratio, larger masculine skull, bigger hands, etc. It is still slightly dimorphic as men tend to be larger than women, but by itself it has nothing on the previous dimorphic features I mentioned.
8. Jawline:
Might surprise some of you why jawline is so low on the list. Reason being is that a low gonial angle correlates more with masticatory performance and environmental development rather than testosterone levels. There are many masculine looking men with weak jawlines and many feminine looking women with sharp ones. The sheer size of the jaw is dimorphic though.
7. High fWHR:
Indicator of high prenatal testosterone but small correlation with postnatal testosterone. Sign of aggression and and short term mating success, can be unisex but very high fwhr becomes exclusively dimorphic as at that point it starts to showcase a large skull.
6. Large skull with low neurocranium to splanchnocranium ratio:
If you were to put a 170cm (5'7") guy next to a 183cm (6'0") woman, the 170cm guy would still most likely have a larger skull. A large skull (in relation to height) is a good indicator of dimorphism as women have smaller skulls. Women's skulls tend to have a bigger head in relation to the lower face creating a more "neotenous" look whereas men tend to have the opposite, creating a "warrior" look. A low neurocranium to splanchnocranium ratio/high lower full face ratio is an indicator of high testosterone. A large skull in combination with low neurocranium to splanchnocranium ratio is a very dimorphic trait and frames the face for dimorphic features.
5. Strong brow area:
Heavy low brows with a protruding browridge are a signal of high testosterone and it's evolutionary trait is to protect the eyes from a fight. It carries to the modern day too, as women thread and modify their brows to look less heavy and more light whereas if a man does the same, it looks gay. Rare on women, it is a strong dimorphic trait.
4. Chin:
A tall, wide, and protruding chin is the most dimorphic facial feature a man could have. A signal of high testosterone, a strong chin will rarely ever appear on a woman due to how androgenic it is. It's evolutionary feature would be to protect the man's lower face from a hit. The chin appears to get stronger the closer you get to the DOM in the masculinity scale.
3. Deep voice:
Pretty known that women love a deep voice, but why so high on this list you may ask? Although a deep voice has no play in evolutionary usefulness like other traits, it is a signal of high testosterone. Women raise their voice pitch when talking to an attractive man and vice versa, showing that a deep voice is a highly dimorphic trait. You will rarely find a woman with a deeper voice than a man.
2. High shoulder to hip ratio:
Extremely dimorphic since there is a much lower cap for females than there is for males. Wide hips are an indicator of low testosterone in men and are an indicator of high estrogen in women. Not only the hips, but the shoulder width is also an indicator of dimorphism. Women have wide hips for a reason, and it's to bear children. Men have wide shoulders for a reason and that is for fighting success. It explains our attraction to wide hips and their attraction to wide shoulders, it's evolutionary.
1. Dick:
This should make obvious sense as being the most dimorphic trait, as no biological female has a penis and all biological males have a penis. The clitoris is pretty much an underdeveloped penis or a penis with extremely low levels of test, and a larger clitoris is an indicator of high test in females. Conversely, a small penis is an indicator of low test in males. So this should pretty much lay out that: the bigger the dick, the more dimorphic it is. The penis is literally the only thing that distinguishes you as a man from a woman. A man could have all the female features like wide hips, gyno, etc. but he will always have a penis.
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