Related Clues:

• Gnats (anag.)
• Beginnings of apprehension, nerves, generating stress, tension
• Sense of anxiety possibly nags the third mate
• Bang! Startled swallowing fear
• A way to accept National Guard with anxiety
• Acute nerves giving some trepidation initially
• Fear being caught by bang's terrifying
• Stang (anag)
• Gangs that, at heart, give one some anxiety
• It's a dreadful feeling, being held by gangsters
• Melancholy feeling
• Feeling of insecurity
• Existential uneasiness
• Gangster's inner apprehension
• Awful gnats causing worry!