Meaning : With intention. In an intentional manner.
Example :
He used that word intentionally.
I did this by choice.
Synonyms : advisedly, by design, deliberately, designedly, intentionally, on purpose, purposely
Without advance planning.
They met accidentally.Without intention. In an unintentional manner.
She hit him unintentionally.By choice ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. By choice ka matlab kya hota hai?