a five o'clock shadow:
is a kind of beard or moustache (but not a full beard or moustache) that a man gets if he doesn't shave for a day or two
matronly (adj):
an older woman who is plump
bald (adj):
a person with no hair. A person can have a shaved head if s/he is bald or if s/he has hair but chooses to shave it off
extrovert (adj):
a confident person who enjoys being with other people