1. With anxiety or apprehension
   - anxiously, apprehensively

See also: uneasy

• silicic acid
• silicide
• silicification
• silicify
• silicious
• silicle
• silicon
• silicon bronze
• silicon carbide
• silicon chip
• silicon dioxide
• silicon oxide
• Silicon Valley
• silicone
• silicone polymer
• silicone resin
• silicone rubber
• silicosis
• siliqua
• silique
• silk
• silk cotton
• silk gland
• silk hat
• silk oak