Related Clues:

• None too trusting
• On the lookout
• Not too sure
• Waffling
• Not fully trusting
• Having one's doubts
• Suspicious and alert
• A little suspicious
• Certainly not certain
• Untrusting
• Easily shaken
• Suspi-cious
• Suspicious (of)
• Not certain or confident
• Cautious, wary