Vocab Words for Advanced English: Adumbrate to Nebulous

adumbrate

to describe roughly/vaguely; to foreshadow; to overshadow or obscure

arcane

known or understood only by a few; mysterious

covert

concealed or hidden; not openly practiced or shown

educe

to draw out or bring forth; to deduce from evidence

fathom

to understand or comprehend

impenetrable

impossible to pierce/enter; impossible to understand

impervious

incapable of being affected, harmed, or broken into

limpid

transparent/clear; calm/serene; easily understood

manifest

(adj.) obvious/clear; (v.) to show or demonstrate plainly; (n.) list of passengers/cargo

nebulous

cloudy, misty, or hazy; vague, without limits