Related Clues:

• Rule exception
• Weird - it's the last healthy rare bird
• Something deviating from the usual
• Atypical occurrence
• Hardly the norm
• Loan may be arranged, though it's irregular
• Weird old, heartless song lacks tempo
• Weird old deputy head from college with ponytail
• Inconsistency
• Deviation from the rule
• '09 Ace Frehley album
• There's curiosity in an old tree inhabited by lemurs originally
• Inconsistency on Malay building
• Freak indeed eating no food — appetite ultimately lost
• Singular thing