overemphasize (v.)

• accent
• accentuate
• belabor
• emphasize
• exaggerate
• exhaust
• highlight
• italicize
• magnify
• maximize
• overact
• overdo
• overdrive
• overexert
• overindulge
• overplay
• overreact
• overspend
• overstrain
• overstress
• overtax
• overuse
• overwork
• punctuate
• spotlight
• star
• stress
• underline
• underscore