It's a bit complex, but in general it means the tendency for people to form bonds with other people who are like them in some way, or with whom they have more frequent contact. It can refer to more frequent physical contact or closeness, two people living on the same floor of a building for example, or to similarities in terms of beliefs or interests.
go to dictionary.com and enter propinquity.
his propinquity to danger filled him with trepidation
We ambled down the path, unaware of the propinquity of the danger that lay ahead.
The meteor's propinquity gave astronomer's cause for alarm because of it's proximity to the earth's surface .
There isn't a great deal of difference, except that propinquity can imply a psychological or emotional closeness, as well as physical, that proximity is not usually used for.
Synonyms: togetherness, closeness, similarity, relations, connection, kinship etc. Antonyms: distance , difference, separated, remoteness, faraway.
Remoteness
Propinquity, the state of being close to someone or something; proximity, is the single greatest influence on marital homogamy.
It means that the closer (physically) you are to the president, the more influence you have over the president and the decisions he/she makes or those in the room with the president at the time decisions are made have the most influence (those in the room have the most power). For ex: the cabinet are the closest people to the president and that is why they help the president make the decisions that help the country move forward.
Dogs follow you closely because of puppys' propensity for propinquity. (Dogs like to be near things) Dogs are enough related to wolves that they have an instinct to stick together in groups - even with their human pack mates. This is a survival response, as dogs in a group are less likely to be attacked, or if they are attacked, they are more likely to survive.
We can only guess, since Shakespeare left no diaries or letters which would attest to his personal feelings. However, it is true that the period of the great tragedies and darker comedies commenced immediately after the death of Shakespeare's father, John Shakespeare. This propinquity suggests that there may have been a connection between the two events.
Many Ways We Communicate:10 Ways We Communicate:TalkingHand GesturesColor CodesMusicDrawingsCardsText MessagingE-MailTelecommunicationsPhone Call11. body language (our postures, larger gestures, etc.)12. facial expressions13. facial gestures (a wink is a fleeting expression, for example)14. microexpressions (extremely fleeting, usually a quick camera can catch them)15. writing (letters, notes, memos, post-its, graffiti, etc)16. pictograms (types of drawings but with highly stylized forms)17. marking territory with posessions18. physical propinquity -- using our whole body to indicate things, such as "my area" or "move away" or "shut up"19. Interior design (dogs mark with urine, humans mark with decor)20. -- ?