Definitions
1.Verbsimple past and past participle of guard
2.AdjectiveCautious; restrained."guarded outlook; The employees reacted with guarded optimism to the new agreement reached by their trade union.; guarded prognosis"
3.AdjectiveA good outcome has fair odds of happening but close monitoring is important because odds of deterioration are not low."guarded prognosis"
4.AdjectiveWatched over; supervised.
5.AdjectiveHaving a guard, e.g. a crossguard (on a sword), a faceguard (on a helmet), or a hatguard (on a chapeau).