1. Not prepared or vigilant
   "caught in an off-guard moment"
   - napping, off guard, off one's guard, off his guard, off her guard, off your guard

See also: unready

• tinkler
• tinkling
• tinkly
• tinned
• tinned goods
• tinned meat
• tinner
• tinnevelly senna
• tinning
• tinnitus
• tinny
• tinplate
• tinpot
• tinsel
• tinseled
• tinselled
• tinselly
• Tinseltown
• tinsmith
• tinsnips
• tint
• tintack
• tinter
• tinting
• tintinnabulate