1. In a composed and unconcerned manner
   - coolly, nervelessly 
2. In an unconcerned manner
   - casually

See also: nonchalant

• plant bug
• plant cell
• plant closing
• plant department
• plant disease
• plant family
• plant fiber
• plant fibre
• plant food
• plant genus
• plant hormone
• plant kingdom
• plant life
• plant louse
• plant material
• plant order
• plant organ
• plant part
• plant process
• plant product
• plant scientist
• plant structure
• plant substance
• plant tissue
• plant toxin