Inappropriate means not conforming to the current situation or social trends; Metaphor does not conform to the trend of the times. With derogatory meaning; Generally used as predicate and attribute in sentences. Timely: the demand and trend at that time. Inappropriate to the needs of the times. It also means to be unconventional.

2. The source of idioms:

Ban Gu, Han Shu Mourning the Emperor in the Eastern Han Dynasty: "Xia and others will change their original names, and they will gain and lose to protect the country. I listened to He Liang's words and hoped that I would be blessed at home and get what I deserved when I died. It is against the classics and out of date. "

(1) Synonyms:

Out of date? Summer furnace winter fan? Stereotypes are out of date.

(2) antonym:

Improvise? Timely? Do what is appropriate for the occasion

4. Relevant examples:

1. China's ancient educational methods have a lot to learn, but it is out of date to copy them without analysis.

In today's competitive society, the traditional concept of resignation is out of date.

3. Bloom when it is time to bloom. When the season passes, everything will be out of date.