proper

形容词 proper:

1. marked by suitability or rightness or appropriateness
2. limited to the thing specified
3. appropriate for a condition or purpose or occasion or a person's character, needs
   同义词：right, suitable, suited
4. having all the qualities typical of the thing specified

1. She hadn't had a proper holiday for years.
   多年来她都没有过真正的假期。
2. His mother has trained him to be a very proper young man.
   他的母亲已经把他训练成循规蹈矩的人。
3. The pages aren't in proper order.
   这些页数次序不对。

prop.er

adj.Abbr. prop.（形容词）缩写 prop.
Characterized by appropriateness or suitability; fitting:
合适的：有适合或适应的特点的；恰当的：
例句：
the proper knife for cutting bread; not a proper moment for a joke.See Synonyms at fit
适宜切面包的刀；不是开玩笑的合适时机参见 fit

Called for by rules or conventions; correct:
准确的：规则或传统要求的；正确的：
例句：
the proper form for a business letter.
商业信函的正确格式

Strictly following rules or conventions, especially in social behavior; seemly:
合乎礼教的：严格遵循规则或传统的，尤指在社交行为方面；体面的：
例句：
a proper lady; a proper gentleman.
一位有教养的淑女；一位有教养的绅士

Belonging to one; own:
拥有的：属于某人自己的；自己的：
例句：
restored to his proper shape by the magician.
魔术师将他恢复到原形

Characteristically belonging to the being or thing in question; peculiar:
独具的：属于生物或事物的特质的；特定的：
例句：
an optical effect proper to fluids.
液体所固有的光学效果

Being within the strictly limited sense, as of a term designating something:
局限的：在严格限定意义范围之内的：
例句：
the town proper, excluding the suburbs.
严格意义上的城市不包括郊区

Ecclesiastical For use in the liturgy of a particular feast or season of the year.
【基督教会】 特定节日用的：用在一年之中特定节目的礼拜仪式中的
Mathematics Of or relating to a subset of a given set when the set has at least one element not in the subset.
【数学】 常义的：当一个数集至少有一个不在某个子集里时，这个数集的子集的，或与之有关的
Worthy of the name; true:
名副其实的：与该名称相称的；真的：
例句：
wanted a proper dinner, not just a snack.
需要一顿真正的晚餐，而不仅仅是点心而已

Out-and-out; thorough:
完全的；彻底的：
例句：
a proper whipping.
彻底的鞭打

adv.（副词）
Thoroughly:
完全地；彻底地：
例句：
beat the eggs good and proper.
彻底地捣碎鸡蛋

n.also （名词） 也作
Proper 【基督教会】
The parts of the liturgy that vary according to the particular feast or season of the year.
特定的礼仪：礼拜仪式的一部分，随一年中特定的节日或季节而变化

来源：
Middle English propre
中古英语 propre
from Old French
源自 古法语
from Latin proprius * see per
源自 拉丁语 proprius *参见 per

【引伸】
prop.erly
adv.（副词）
prop.erness
n.（名词）