English edit

Etymology edit

dubitable +‎ -ly

Adverb edit

dubitably (comparative more dubitably, superlative most dubitably)

  1. doubtfully
    Antonym: indubitably
    • 1989, Lawrence E. Hazelrigg, Social Science and the Challenge of Relativism, volume 2, page 123:
      Even though a claim to know may be asserted dubitably and still be counted as a scientific claim, the imagined end of the enterprise of science remains (at least in its still predominant self-understanding) certain knowledge.