unsparing

Modifies a noun

• hand: You have uprooted an old kindness, sir, with an unsparing hand.
• severity: The sins and shortcomings of the people were dwelt upon with great plainness, faithfulness, and often with unsparing severity.
• judgment: The moral atmosphere cannot be kept pure and clean, unless there is keen and fearless, and if necessary, unsparing judgment.
• account: This book is an unsparing eyewitness account of the failure by humanity to stop the genocide, despite timely warnings.