full of, resembling
People who are wistful are rather sad because they want something but know that they cannot have it, especially something that they used to have in the past.
Praise, an apology, or gratitude is fulsome if it is so exaggerated and elaborate that it does not seem sincere.
Someone is baleful if they are filled with bad intent, anger, or hatred towards another person.
If you are vengeful, you want to get back at someone for something that they did to you and so are unwilling to forgive them.
A plentiful amount of something, such as food, is more than enough of it.
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