பொருள் : Something immaterial that stands in the way and must be circumvented or surmounted.
							எடுத்துக்காட்டு : 
							Lack of imagination is an obstacle to one's advancement.
							The poverty of a district is an obstacle to good education.
							The filibuster was a major obstruction to the success of their plan.
							
ஒத்த சொற்கள் : obstruction
பொருள் : An obstruction that stands in the way (and must be removed or surmounted or circumvented).