பொருள் : Vigilant.
எடுத்துக்காட்டு :
On guard against con artists.
Must remain on your guard in such a situation.
ஒத்த சொற்கள் : on one's guard, on your guard, upon one's guard
On guard ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. On guard ka matlab kya hota hai?