பொருள் : Such that the terms of an expression cannot be interchanged without changing the meaning.
எடுத்துக்காட்டு :
The arguments of the symmetric relation, `is the father of', are noninterchangeable.
Noninterchangeable ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. Noninterchangeable ka matlab kya hota hai?