1) The speaker adumbrated his plans for the upcoming year during the town meeting.

2) The artist adumbrated the outline of the tree before adding in the finer details.

3) The professor adumbrated the main points of the lecture to help students follow along.

4) The lawyer adumbrated the key arguments in the closing statement of the trial.

5) The author adumbrated the plot of the novel in the first few chapters.

6) The report adumbrated the potential impact of the new policy on the local economy.

7) The architect adumbrated the design of the building with a rough sketch.

8) The CEO adumbrated the company's strategic vision for the next five years.

9) The historian adumbrated the events leading up to the outbreak of the war.

10) The advisor adumbrated the possible consequences of ignoring the warning signs.