Specify/ˈspesɪfaɪ/ Definition 1 of 3Pro Tip 1/3Exactness Required Use 'specify' when precision is essential and assumptions aren't enough. Please specify which model you need. Pro Tip 2/3Remove Ambiguity Specifying helps avoid misunderstandings by providing clarity. Specify the quantity to prevent order mistakes. Pro Tip 3/3Instructions Important 'Specify' is often used when giving or asking for precise instructions. The manual specifies how to assemble the desk.