Related Clues:

• Allowing no deviation from a standard
• 'Strict, harsh, severe (8)'
• Having been beheaded I go back sour and harsh
• Are so little I go sour at last
• Severely strict
• Leaving no stone unturned
• Severe operatic prince interrupting wake finally ejected
• Severe, precise
• Exhaustively accurate
• Stravinsky has nothing in his homeland half so demanding
• Extremely precise and exacting
• Kindle briefly entertains Russian firm
• Stiff, almost awake, embracing Frankenstein's helper
• Strictly accurate equipment letting in water, though no opening
• Severe Russian seen by river -- English river largely