VocabDictionary

what if

/wɒt ɪf/beginner Level

English Meaning & Definitions

1.idiom

Used to introduce a hypothetical situation, a suggestion, or a concern about a possible future event.

Example Sentences:
  • What if we missed the last train home?
  • What if you were offered the job in another country; would you take it?
2.noun

A speculative or hypothetical situation or question.

Example Sentences:
  • The project planning phase was bogged down by endless what-ifs.
  • We need to focus on facts rather than worrying about every possible what-if.
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English Synonyms & Near Equivalents

English Antonyms & Opposites

Comprehensive Thesaurus Breakdown

Compare formal, informal, literary synonyms and register nuances for “what if”.

Thesaurus Entry
Cultural Origin & Etymology

Derived from the combination of the interrogative pronoun 'what' (from Old English 'hwæt') and the conditional conjunction 'if' (from Old English 'gif'). The phrase evolved as a shorthand for 'what would happen if,' functioning as a speculative inquiry into hypothetical scenarios.

Memory Aid & Mnemonic

Imagine a 'What' (a question) meeting an 'If' (a condition) to create a 'What-if' scenario.

Frequently Asked Questions About “what if

1. What is the meaning of “what if” in English?

In English, what if (idiom) is defined as: “Used to introduce a hypothetical situation, a suggestion, or a concern about a possible future event.”.

2. How do you use “what if” in a sentence?

What if we missed the last train home?

3. What are English synonyms of “what if”?

Common synonyms include:suppose,assuming,what happens if,given that

4. What is the etymology and word origin of “what if”?

Derived from the combination of the interrogative pronoun 'what' (from Old English 'hwæt') and the conditional conjunction 'if' (from Old English 'gif'). The phrase evolved as a shorthand for 'what would happen if,' functioning as a speculative inquiry into hypothetical scenarios.