Meaning : A manner that does not take forms and ceremonies seriously.
A manner that strictly observes all forms and ceremonies.
The formality of his voice made the others pay him close attention.Meaning : Freedom from constraint or embarrassment.
Example :
I am never at ease with strangers.
Synonyms : ease
Informality ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. Informality ka matlab kya hota hai?