Related Clues:

• So-called great intellectual becoming tense
• Get thin perhaps - and get more tense
• Make tauter
• Drunk, opponents at cards put the squeeze on
• Heavyweight we hear, getting cramp
• Powerful person's pronouncement put an end to slacking
• For the audience, draw a number -- get tense
• Turn to the right, say?
• Make tenser
• Wind up Cronus, maybe one might say
• Strong person, we hear, to become tense
• Sound of giant to be more constrained
• Make more constrictive
• By the sound of it, giant close
• Make harder to undo