The other day/morning/evening/week Definition 1 of 4Pro Tip 1/3Casual Conversations Used in informal settings like chatting with friends or co-workers. Hey, I bumped into Mark the other day! Pro Tip 2/3Vague Timing The exact day is not specified, could be a few days ago. She mentioned the other day she's going on vacation. Pro Tip 3/3Recent Past Implies the event happened relatively recently but isn't exact. The other day, I started learning guitar.