अर्थ : Vigilant.
उदाहरणे :
On guard against con artists.
Must remain on your guard in such a situation.
समानार्थी : on guard, on one's guard, on your guard
Upon one's guard ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Marathi. Upon one's guard ka matlab kya hota hai?