A statement that is true by necessity or by virtue of its logical form.

Redundant or needless repetition in an expression.

एक अभिव्यक्ति में अनावश्यक पुनरावृत्ति।

English Usage: "His explanation was filled with tautology that made it hard to follow."

Hindi Usage: "उसकी व्याख्या तात्त्विकता से भरी हुई थी, जिससे इसे समझना मुश्किल हो गया।"