名詞 over-:

1. (cricket) the period during which a given number of balls (6 in England but 8 in Australia) are bowled at the batsman by one player from the other team from the same end of the pitch
   同義詞：over

形容詞 over-:

1. having come or been brought to a conclusion
   同義詞：complete, concluded, ended, over, all over, terminated

副詞 over-:

1. at or to a point across intervening space etc.
   同義詞：over
2. throughout an area
   同義詞：over
3. throughout a period of time
   同義詞：over, o'er
4. beyond the top or upper surface or edge; forward from an upright position;
   同義詞：over
5. over the entire area
   同義詞：all over, over

over-
pref.（前綴）
Above or upon in position:
在上的：置于上面的：
例句：
overpass; overcoat.
天橋；外套

Superior in rank or importance:
位高的：排名高或重要性高的：
例句：
overlord.
大君主

To an inverted or reverse position:
反轉(zhuǎn)的：反轉(zhuǎn)或改變位置的：
例句：
overturn.
推翻

Excessively:
過度的：
例句：
overcharge.
過度充電

來源：
Middle English
Middle English
from Old English ofer- * see uper
from Old English ofer- *參見 uper

Many compounds other than those entered here may be formed withover-. In forming compounds, over- is joined with the following element without space or a hyphen:
許多上述未列的復(fù)合字也可能由over- 所組成。這些復(fù)合字形成， over- 可能直接與后面的元素相連而不再加上空格或連字號：
例句：
overachieve, overrepresented.
overachieve，overrepresented。

Note, however, thatover may combine with other words as a unit modifier. In such cases the words are joined by hyphens:
但要注意的是，over- 可能被其它字用來當(dāng)作一個修飾詞。在此種情況下這些字就要使用連字號與其相連了：
例句：
over-the-counter medication.
over-the-counter medication（非處方藥）