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All answers having "To a degree" as clue:

3 Character Answers:

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ISH



4 Character Answers:

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SOME



5 Character Answers:

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QUITE



6 Character Answers:

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INPART

KINDOF

PARTLY

SORTOF



7 Character Answers:

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INSOFAR



8 Character Answers:

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SOMEWHAT



13 Character Answers:

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INSOMEMEASURE