Grammar Patterns

Combining forms

The '-free' group

These combining forms combine with nouns. The adjectives formed indicate that something does not have something or is not affected by it.
The bulbs will need to be stored in a frost-free place for the winter.
Every item of equipment was suspended by an insect-proof cord above ground level.
  • -deficient (graded)
  • -exempt
  • -free
  • -low (graded)
  • -proof
  • -resistant (graded)
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