a.

1. 固體的
   When water freezes, it becomes solid.

   水結冰時變成固體。

2. 實心的；無空隙的；充實的[Z]
   This is a solid rubber tyre.

   這是實心橡膠輪胎。

3. 純的，純粹的[Z][B]
   This spoon is solid silver.

   這把湯匙是純銀的。

4. （顏色，音調等）同一的，單一的[B]
   These curtains are solid blue.

   這些窗簾是純藍色的。

5. 結實的；堅固的；堅牢的
   People like solid furniture.

   人們喜歡結實的傢俱。

6. （公司，事業等）牢靠的，穩固的；（人）可信賴的
7. 團結的，一致的[（+for/against）]
   We are solid for peace.

   我們一致擁護和平。

8. 立體的，立方的
   The students are learning solid geometry.

   這些學生正在學習立體幾何學。

9. 連續的；完整的，完全的[Z]
   James studied at the university for eight solid years.

   詹姆士在大學學了整整八年。

10. 慎重的，嚴肅的
11. 【俚】（音樂）極好的，（表演）精彩的

n.[C]

1. 固體
   Iron and stone are solids.

   鐵和石頭是固體。

2. （液體中的）固態物[P]
3. 立方體
4. 固體食物，非流質食物[P]
   Now he is well enough to take solids.

   現在他病好了，可以吃非流質食物了。

adj.

1. firm and stable in shape; not liquid or fluid:
   solid fuel.
   ▸strongly built or made.
2. Geometry  three-dimensional.
   ▸relating to three-dimensional objects.
3. not hollow or having spaces or gaps.
   ▸consisting of the same substance throughout.
   ▸(of time) continuous.
4. dependable; reliable.
   ▸sound but without special qualities.
5. (solid with) US informal on good terms with.
6. Austral. informal severe; unfair.

n.

1. a solid substance or object.
   ▸ (solids) food that is not liquid.
2. Geometry  a three-dimensional body or geometric figure.