To put off to a future time; delay; postpone.

延搁；延迟；延期。

To exempt temporarily from the draft.

【美】缓役。

To procrastinate.

耽搁；迁延。

These words agree in the idea of putting off.

Defer, postpone, delay, procrastinate 四字均有延宕的意味。

Defer, the most general term, implies putting off until some time in the future.

Defer 为最笼统的词语，有延搁至以后再做的意思：

To postpone is to put off usually to stated time.

Postpone 指延至某一指明的时间：

Delay 亦指延宕：

But it has in addition the meaning of retarding or hindering for a time.

但此在延宕以外，另有延误或妨碍之意：

To procrastinates is to put off habitually, from day to day.

Procrastinate 指惯于拖延：

To yield; give in.

服从；退让。

To refer; submit for decision.

提交；交由...决定。