A complete thought .............
Answer:
impossible, hopeless, unbelievable, unrealistic, impracticable
The primary accent in the word "precipitate" falls on the syllable "cip"
pre- 'cip -i- tate (i just divided it into syllables, not written it phoneticallly): the apostrophe shows where the accent falls.
He made a speech at the convention that although he did not agree with the full constitution, it was the best for this nation to be united under it.