within

1 within /wɪˈðɪn/ /wɪˈθɪn/ preposition
1 within
/wɪˈðɪn/ /wɪˈθɪn/
preposition
Britannica Dictionary definition of WITHIN
1 
a  : inside (a certain area or space)
b  : inside (a group, company, society, etc.)
2 
: before the end of (a particular period of time)
3 
: less than (a particular distance) from something or someone
4 
: not beyond the limits of (something)
5 
— used to say how close someone is or was to doing or achieving something
6 
: in the thoughts or character of (someone)
2 within /wɪˈðɪn/ /wɪˈθɪn/ adverb
2 within
/wɪˈðɪn/ /wɪˈθɪn/
adverb
Britannica Dictionary definition of WITHIN
formal
1 
: inside something
2 
: in someone's inner thoughts, feelings, etc.