Clue: Close off, as a tomb

Answer: SEALUP

Length: 6

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Similar Clues:

• Close associate (e.g. ALLY with 4 letters)
• Close associates, and a hint to this puzzle's highlighted squares (CIRCLEOFFRIENDS with 15 letters)
• Close associates (e.g. COMRADES with 8 letters)
• Asteroid that gets close to the sun (ICARUS with 6 letters)
• Hang with a close associate (CHUMAROUND with 10 letters)
• Lived together in a close association (HIVED with 5 letters)
• Assist an offender (ABET with 4 letters)
• Offensive in Asia? (TET with 3 letters)
• Produced offspring asexually (CLONED with 6 letters)
• They offer assoc. degrees (JCS with 3 letters)