Definition of "on tiptoe" []

• Moving carefully, quietly, warily or stealthily (adverb)

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• "As a friendly waitress led them to a table, William made an effort to look relaxed and self-confident, but with Trixie walking on tiptoe and Buddy staring at everything goggle-eyed, his cool, worldly-wise role was a little hard to hang on to."
• "Then he went up to Feuerstein, stood on tiptoe and, waving his arms frantically above his head, yelled into his face "Rindsvieh!""
• "By 0945 hours, all the infanteers less the rearguard, who continued to occupy perimeter trenches, had arrived — almost on tiptoe — at the Ml 13s."