sunblock: meaning, definition, pronunciation and examples

Common
UK/ˈsʌnblɒk/US/ˈsʌnblɑːk/

Informal to neutral; common in everyday and commercial contexts.

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Quick answer

What does “sunblock” mean?

A cream, lotion, or other product applied to the skin to prevent sunburn by blocking the sun's ultraviolet rays.

Audio

Pronunciation

Definition

Meaning and Definition

A cream, lotion, or other product applied to the skin to prevent sunburn by blocking the sun's ultraviolet rays.

Broadly, any measure, product, or substance used to shield against the harmful effects of the sun.

Dialectal Variation

British vs American Usage

Differences

Both terms are used in both varieties. 'Sunblock' is slightly more common in American English for marketing and general use, but the distinction from 'sunscreen' is fading.

Connotations

In both, it connotes protection and prevention, often associated with beach activities, holidays, and health consciousness.

Frequency

Slightly higher frequency in American English marketing and packaging.

Grammar

How to Use “sunblock” in a Sentence

apply sunblock (to skin)use sunblock (before going out)wear sunblock

Vocabulary

Collocations

strong
apply sunblockhigh-factor sunblockwaterproof sunblock
medium
forget your sunblockneed sunblockput on sunblock
weak
buy sunblockbottle of sunblockeffective sunblock

Examples

Examples of “sunblock” in a Sentence

adjective

British English

  • sunblock lotion

American English

  • sunblock spray

Usage

Meaning in Context

Business

Marketing and sales of skincare and pharmaceutical products.

Academic

Appears in dermatology and public health studies on skin cancer prevention.

Everyday

Common in conversation about holidays, beach trips, and daily skincare routines.

Technical

Used in dermatology and cosmetic chemistry to describe products with specific physical UV blockers.

Vocabulary

Synonyms of “sunblock”

Strong

sun cream (UK)block (informal)

Weak

sun protectionUV protection

Vocabulary

Antonyms of “sunblock”

sun exposuretanning oil

Watch out

Common Mistakes When Using “sunblock”

  • Misspelling as 'sun block' (two words) is common but the single-word form is standard. Using 'sunblock' as a verb (e.g., 'I will sunblock') is non-standard; the correct phrasing is 'apply sunblock' or 'use sunblock'.

FAQ

Frequently Asked Questions

Traditionally, yes. 'Sunblock' was used for products that create a physical barrier (like zinc oxide), reflecting UV rays. 'Sunscreen' referred to chemical formulas that absorb UV rays. In modern everyday usage, the terms are often used interchangeably.

No, it is not standard. Use phrases like 'apply sunblock', 'put on sunblock', or 'use sunblock'. The word functions primarily as a noun.

It is standardly written as one word: 'sunblock'. The two-word form 'sun block' is a common spelling error.

SPF stands for Sun Protection Factor. It indicates how long the product protects against UVB rays (the main cause of sunburn) compared to unprotected skin. For example, SPF 30 means it would take 30 times longer to burn than with no protection, assuming proper application.

A cream, lotion, or other product applied to the skin to prevent sunburn by blocking the sun's ultraviolet rays.

Sunblock is usually informal to neutral; common in everyday and commercial contexts. in register.

Sunblock: in British English it is pronounced /ˈsʌnblɒk/, and in American English it is pronounced /ˈsʌnblɑːk/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • [No common idioms for this specific word]

Learning

Memory Aids

Mnemonic

Think of a BLOCKade against the SUN. The word combines 'sun' and 'block' literally.

Conceptual Metaphor

PROTECTION IS A BARRIER / SHIELD (e.g., 'a shield against the sun').

Practice

Quiz

Fill in the gap
Before going out in the strong midday sun, it's crucial to sunblock to all exposed skin.
Multiple Choice

What is a key semantic distinction sometimes made between 'sunblock' and 'sunscreen'?