Peculiar/pɪˈkjuːliər/ Definition 1 of 2Pro Tip 1/3Unusual Oddity Use 'peculiar' to describe something unexpected or that stands out as different. The peculiar rock formation caught everyone's attention. Pro Tip 2/3Slight Discomfort 'Peculiar' often implies a sense of unease or mild disapproval about something strange. There's a peculiar odor coming from the kitchen. Pro Tip 3/3Invites Curiosity Describing something as 'peculiar' can make people curious to understand why it's unusual. Her peculiar hobby piqued my interest.