Definition of "painlessly" [painlessly]

• In a painless manner. (adverb)

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• "In fact we'd like to enable someone who is not an expert in spatial analysis to just "try and learn" spatial operators quickly and painlessly, which is exactly what Microsoft Excel enables (you can always Undo and try out different scenarios by pasting a new formula in a different cell)."
• "Most of America - at least if you judge by the endless infomercials at 3 in the morning - is still looking for a way to lose weight "painlessly", without "deprivation" without effort."
• "This plan would "painlessly" provide 100 or more MHz of spectrum for broadband at no net cost to broadcasters or over-the-air TV viewers."