Safe certain to accommodate two keys (6)

1D — Safe certain to accommodate two keys (6) — SECURE

• Definition
  Definition found: 'Safe'
• Indicator
  Indicator found: 'to accommodate' Show hint
• Operation
  'to accommodate' signals a container operation
• Fodder
  Fodder: 'certain two keys'
• Synonym
  Synonyms spotted: 'certain' → SURE Show hint
• Synonym
  Synonyms spotted: 'two keys' → EC Show hint
• Assembly
  SURE + EC = S(EC)URE

Try this clue in the trainer →