featureless

• POS: Adjective
• HYPHEN: fea=ture=less

CIDE DICTIONARY

featureless, a. 

 Having no distinct or distinctive features.  [1913 Webster]

THESAURUS

featureless

abstract, amorphic, amorphous, anarchic, articulated, baggy, bare, barren, bland, blank, bleached, blobby, blurred, blurry, broad, catenated, ceaseless, chaotic, characterless, clear, collective, concatenated, confused, connected, constant, continual, continued, continuing, continuous, cyclical, devoid, direct, disorderly, empty, endless, formless, fuzzy, gapless, general, generalized, generic, hazy, hollow, immediate, inane, incessant, inchoate, indecisive, indefinite, indeterminate, inform, insipid, interminable, joined, jointless, kaleidoscopic, linked, lumpen, misty, monotonous, nebulous, neutral, never-ending, nondescript, nonspecific, nonstop, null, null and void, obscure, orderless, perennial, periodic, recurrent, repetitive, round-the-clock, running, seamless, serried, shapeless, smooth, stable, steady, straight, twenty-four-hour, unbroken, unceasing, uncharacterized, unclear, undefined, undifferentiated, unending, uniform, unintermitted, unintermittent, unintermitting, uninterrupted, unordered, unorganized, unrelieved, unremitting, unspecified, unstopped, vacant, vacuous, vague, void, white, wide, with nothing inside, without content