1. Not prepared or vigilant
   - napping, off-guard, off guard, off one's guard, off his guard, off your guard

See also: unready

• ungarbed
• ungarmented
• ungathered
• ungeared
• ungenerous
• ungentle
• ungentlemanlike
• ungentlemanly
• ungetatable
• unglamorous
• unglamourous
• unglazed
• ungodliness
• ungodly
• ungovernable
• ungoverned
• ungraceful
• ungracefully
• ungracefulness
• ungracious
• ungraciously
• ungraciousness
• ungradable opposition
• ungraded
• ungrammatical