'Impressive' in the Bible

"On the first day, take branches from impressive fruit trees, branches from palm trees, boughs from thick trees, and poplars from the brooks. Then you are to rejoice in the presence of the LORD your God for seven days.

against all the ships from Tarshish, and against all their impressive watercraft.

For someone is saying, "His letters are impressive and forceful, but his bodily presence is weak and his speech contemptible."