অর্থ : In an imperceptible manner or to an imperceptible degree.
উদাহরণ :
The power of the Secretary of State in London increased gradually but imperceptibly.
সমার্থক : imperceptibly
Unnoticeably ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. Unnoticeably ka matlab kya hota hai?