obscure

(of meaning) not clear or plain; ambiguous, vague, or uncertain.

not clear to the understanding; hard to perceive.

(of language, style, a speaker, etc.) not expressing the meaning clearly or plainly.

indistinct to the sight or any other sense; not readily seen, heard, etc.; faint.

inconspicuous or unnoticeable.

of little or no prominence, note, fame, or distinction.

far from public notice, worldly affairs, or important activities; remote; retired.

lacking in light or illumination; dark; dim; murky.

enveloped in, concealed by, or frequenting darkness.

not bright or lustrous; dull or darkish, as color or appearance.

(of a vowel) having the reduced or neutral sound usually represented by the schwa (ə).

to conceal or conceal by confusing (the meaning of a statement, poem, etc.).

to make dark, dim, indistinct, etc.

to reduce or neutralize (a vowel) to the sound usually represented by a schwa (ə).