grubble

== English == === Etymology === From grub +‎ -le, frequentative, but compare grabble. === Verb === grubble (third-person singular simple present grubbles, present participle grubbling, simple past and past participle grubbled) (obsolete or rare, ambitransitive) To feel or grope in the dark. ==== Synonyms ==== fumble, grabble; see also Thesaurus:feel around === References === “grubble”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.