Synonyms for Put a spanner in the works

Synonyms starting with letter M

• make a mess of
• mess up
• mismanage
• mishandle
• manage badly
• make a hash of
• maladminister
• misapply
• misconduct
• misdirect
• misemploy
• misgovern
• mistreat
• misuse
• muff
• make a nonsense of
• muck up