Without connections; operating independently without requiring established links or relationships; in computing, not requiring a persistent connection.
From 'connection' plus the suffix '-less', which means 'without' or 'lacking.' This creates an adjective describing systems or things that function without connections.
In networking, 'connectionless' protocols like UDP are faster because they don't waste time establishing a connection first—it's a fascinating trade-off between speed and reliability that shapes every data packet zipping across the internet.
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