1. Characterized by hard work and perseverance
   - industrious, tireless, untiring

See also: diligent

• contemptuous
• contemptuously
• contemptuousness
• contend
• contender
• content
• content word
• contented
• contentedly
• contentedness
• contention
• contentious
• contentiousness
• contently
• contentment
• contents
• conterminous
• contessa
• contest
• contestable
• contestant
• contestation
• contested
• contestee
• contester