unguarded
1. [ adjective ] lacking protection or a guard
Synonyms: unprotected
Examples:

"an unguarded gate" "his unguarded queen was open to attack"

Related terms: vulnerable
2. [ adjective ] displaying or feeling no wariness
Synonyms: incautious
Examples:

"an unguarded remark" "spilled the beans in an incautious moment"

Related terms: unwary
Similar spelling:   uncurved
  uncarved
  ungarbed
  uncurled
  uncurbed
  unsure
  unguaranteed
  uncharged
  uncharted
  uncarpeted
  uncured
  unsharpened
  unchartered
  unshared
  ungeared
  ungarmented
  Ungaro
  uncurl
  unsurprised
  unsurpassed
  uncurtained
  ungraded
  uncared-for