Definition

Extremely clean, free from dirt or impurities.

Example

The laboratory must maintain an ultraclean environment to ensure accurate results.

Comparatives & Superlatives

Conversation

I just cleaned my entire apartment yesterday.

Nice! Is it ultraclean now?

Absolutely! I used some new products that really worked wonders.

That's awesome! I need to try those for my place too.

Synonyms & Antonyms

Root Explanation

Ultraclean → It is formed from "ultra-" (meaning beyond or extreme) and "clean" (from Old English "clæne", meaning free from dirt or impurities). The word "ultraclean" means extremely clean or beyond clean, indicating a state of cleanliness that surpasses the ordinary.

Memory Tip

Think of 'beyond' ('ultra-') cleanliness — that's why 'ultraclean' means extremely clean.

Visually Confused Words