| Noun | Adjective |
| Politics | |
| Political |
| Noun | Adjective |
| Environment | |
| Environmental |
| Noun | Adjective |
| Efficient | |
| Efficiently |
Of course, like in English, this doesn’t work with all nouns:
| Noun | Adjective |
| School | |
| Schoolitically? |
| それは |
| That’s an optimistic outlook, eh? |
| The movie I watched yesterday was moving. |
| グローバルな |
| A political issue that requires a global response. |
Note the literary form of the auxiliary verb at the end of the sentence. Most newspapers will use this form rather than だ.
Because with the addition of 的 these nouns are now na-adjectives we can add に to turn them into adverbs.
| What exactly do you want to say? |
| Work efficiently. |
For some words it is possible to drop both the な and 的 in writing.
| A political problem. |
| A realistic perspective. |
There is no definite rule regarding the omission of either the な and 的, but including both is always grammatically correct.
Informally, 的 is sometimes appended to conjugations of verbs to create a “that sort of thing” expression. For instance if someone is vaguely insinuating that they like you to give them a lift somewhere, you say the following to make them get to the point.
| “Take me with you” sort of thing? |
It is not correct grammar, per se, but you may hear this structure in casual conversation so it’s worth mentioning.