"Spell out" is a versatile phrasal verb predominantly used in informal contexts, though it can appear in formal settings depending on the tone of the discourse. Its primary function is to clarify or explain something in detail, often used when someone doesn't understand an idea or when explicit instructions are necessary. In situations where a step-by-step guidance or detailed explanation is required, "spell out" ensures no misunderstanding occurs, making it widely relevant across conversational and written communication. Additionally, it can indicate the act of saying or writing the letters that form a word, often used when accuracy in communication—like spelling names or technical terms—is important. This dual-use bolsters its applicability in various sectors such as education, business, and casual conversations.
B1
PreIntermediate
1. To state something explicitly or clearly in detail.
The teacher had to spell out the rules of the game for the students.
Can you spell out your plan for the project so everyone understands?
2. To name or write the letters of a word in their correct order.
Please spell out your last name for the record.
Could you spell out what you mean by that acronym?