Unbaffleable

I am the Major Le - Caron of the literary world, and am unbaffleable. One evening I spied my victim at his club; I knew him, he did not know me. When he reads this he will know me, and, as he is an irascible man, he will probably swear

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Half-a-dozen stories of the unbaffleable ‘ investigator ’ make up this second series, and highly entertaining they are.

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"Was that one of the letters that always made you cry at Sta. Margherita?" enquired Jessica, with her unbaffleable persistency.

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The sea wind, with its feet wet with the surges of the unbaffleable sea, with its voice which has caught music from hearing the waves sing on the shores of all the earth, with its loneliness unfathomable for sadness […]

Source: wiktionary