chew over

1. (transitive)To think deeply about; to ponder or mull over.

2. Synonym of chew up (to chew so as to make something pulpy or tangled)

1. Chew it over for a while and let me know what you think.

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2. I simply need to chew it over.

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3. Tom is chewing his fingernails over rejecting this advantageous offer.

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4. Bob chewed over the subject.

   deBob grübelte über das Thema nach. — Yorwba

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5. Bob chewed the subject over.

   deBob grübelte über das Thema nach. — Yorwba

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irregular

• chew upTo chew so as to make something pulpy or tangled.
• chew offUsed other than figuratively or idiomatically: see chew, off.
• chew outTo lecture, scold, reprimand, or rebuke, especially in an angry tone of voice.
• chew onUsed other than figuratively or idiomatically: see chew, on.
• chew overTo think deeply about; to ponder or mull over.