wilful or (N American) willful /wilˈfŭl/

1. Self-willed, obstinate, headstrong
2. Deliberate, intentional
3. Willing (Shakespeare)

Wilfully

wilˈfully adverb

wilˈfulness noun

• testimonied
• testimonies
• testimony
• testimonying
• testiness
• testinesses
• testing
• testing clause
• testing clauses
• testings
• testis
• test-market
• test-marketed
• test-marketing
• test-markets
• test match
• test matches
• teston
• testons
• testoon
• testoons
• testosterone
• testosterones
• test paper
• test papers