› something that helps you form an opinion or make a decision about something else: Examine your financial goals using the checklist on page 120 as a guide.a guide to sth GDP is not always a reliable guide to the health of an economy. As a rough guide, expect to pay up to €500 for a basic website.
› a book, website, etc. that gives you the most important information about a particular subject: a useful guide for new investorsa guide to sth The website is an online consumer guide to the best electronic products.
› (also tour guide) a person whose job is showing a place or a particular route to visitors: Our guide was full of wonderful stories.