Based on the clue 'adjective meaning elementary or relating to first ...', what is the answer?

Based on the clue 'adjective meaning completely expressionless used t...', what is the answer? Based on the clue 'adjective meaning corresponding in size shape on ...', what is the answer? Based on the clue 'adjective meaning curved inward like the inside of...', what is the answer? Based on the clue 'adjective meaning designed to elude detection', what is the answer? Based on the clue 'adjective meaning extravagantly impractical like s...', what is the answer? Based on the clue 'adjective meaning exuberant noisy lacking in res...', what is the answer? Based on the clue 'adjective meaning feeling great anger', what is the answer? Based on the clue 'adjective meaning firmly fixed or deep rooted', what is the answer?