What is the difference between " lax" and "slack"? For instance: (1) She was staring into space, her mouth lax/slack. (2) The rope suddenly went lax/slack. Thank you very much~

What is the difference between "listless" and " anemic" ? For instance: (1) We will see some economic recovery, but it will be very listless/anemic. (2) It's a listless/anemic performance. Thank you very much

What is the difference between “anemic” and ”bland“， please？ For instance: They insist on tastier chocolate than the anemic/bland British stuff. Thank you very much

What is the difference between "right" and "entirely",plz? For instance: (1) I am right/entirely behind you. (2) Everything is planned right/entirely down to the last detail. Thank you very much

What is the difference between "deep" and "deeply" as adverbs? For instance: (1) The doctor asked me to breathe deep/deeply. (2) The meeting continued deep/deeply into the night. (3) I am deep/deeply grateful to you. Thank you very much ~

What is the difference between "profound" and "deep"? For instance: (1) He had a profound/deep sense of loss. (2) Peter gave him a long profound/deep look. (3) This is a book full of profound/deep, original and challenging insights. Thank you very much

What's the difference between "profound" and " deep" ? For instance: (1) They existed in a state of 【profound/deep】 apathy, like extinct volcanoes, in the words of one doctor. (2) However, the most 【profound/deep】 sense of loss many astronauts have felt is the missing connection to their normal life. Thank you very much ~

What is the difference between "strong" and "firm"? For instance: President Hoover tried to solve the crisis. But he was not willing to take the 【strong/firm actions】 that were needed to end it. Thank you very much~

What does " heavy" mean in the sentence below? She didn't want things to get too heavy at such an early stage stage of their relationship. Thank you very much