preliminary
Word family
- preliminarilyadverbC2
Synonym discussion
Sense: adjective/1
For adjective/1, preliminary is useful when something comes first and helps lead to a later main stage. Initial is broader: it simply marks the first point in a sequence, so an initial payment may not prepare for anything. Introductory is common for lessons, chapters, or remarks that open a subject. Preparatory puts the strongest focus on practical readiness, especially before training, exams, or formal action. Tentative overlaps when an early version may still change, but it stresses uncertainty more than sequence. You can say a preliminary report before the full investigation, an introductory chapter before deeper study, a preparatory class before the test, and a tentative date if the plan is not fixed yet.
Etymology
Preliminary comes from a Latin idea meaning 'before the threshold'. It reached English through Medieval Latin and French, carrying the sense of something that happens before you fully enter the main action or stage. That older image helps explain why the word is often used for reports, meetings, tests, and other first steps.