### Clue: Put straight tabloid's missing section with ferocious expression (7)
### Answer: UNSNARL 
 ### Explanation: Definition: Put straight
definition: 'snarl' meaning 'entangle' e.g. a yarn can become snarled in weaving 
[The S]-UN="tabloid", missing S (section), plus another meaning of SNARL as "ferocious expression"