Related Clues:

• Cross after the French becoming sloppy
• Not stringently enforcing the rules
• The French kiss is sloppy
• Far from fastidious
• Slack, negligent
• Insufficiently firm
• World's busiest origin and destination airport
• Left Coast airport, for short
• 'I hopped off the plane at ___' (Miley Cyrus lyric)
• Letting things slide
• Undisciplined, goes without speaking
• Carelessly casual
• Unlikely to reprimand