1. in a way that notices or pays careful attention to details

Examples

• She watched observantly as the teacher demonstrated the experiment.
• The detective walked through the crime scene observantly, noting every detail.
• He listened observantly to the conversation at the next table.
• The bird-watcher sat observantly in the blind, waiting for rare species.
• The student read the instructions observantly before beginning the test.
• She observantly noticed the small changes in her friend’s behavior.