Related Clues:

• Gearshift selection
• Chopping down
• Crossword column heading
• Needing a fill-up
• Blue, in a way
• Sinking
• Fluid-level reading, sometimes
• Sorrowful
• With 3-down, words that should go at the end of the stepquote
• In a blue funk, e.g.
• Listless
• Sombre
• Up partner
• In need of a lift
• Weather-map mark