English
CEFR C1
proprietary
Rank #8833 in frequency ranking in frequency
Quick Actions
Meanings & Definitions
adjective
Example Sentences
"I'm so frustrated that I can't modify this proprietary system"
"The company keeps its recipes proprietary to stay ahead"
"Don't share the proprietary formula with anyone"
"Our team developed a proprietary method for cleaning"
"Is this software proprietary?"
Premium Feature
Master "proprietary" with W9999
Everything you need to remember this word
AI Tutor
Personalized explanations & practice
Smart Flashcards
Spaced repetition system
Progress Tracking
Daily streaks & achievements
✓Free forever
✓No credit card
✓Start in 30s