Related Clues:

• Having a value of zero
• G reek character will appear useless
• Invalid in duel, old, ignoring odds
• Tips from local hospital you glean about invalid
• Lacking any binding force
• Invalid Greek character accompanied by pupils
• Invalid lifted from northern Ullswater
• - - and void
• Empty nutshell with middle half missing
• Greek character had lines that were void
• New university students amounting to nothing
• Cancelled openings of new university law libraries
• Ineffectual and useless lecturer initially probing confines of novel
• Northern university students, void
• and void