inexpressive

• POS: Adjective
• HYPHEN: in=ex=pres=sive

CIDE DICTIONARY

inexpressive, a. 

•  Inexpressible.  [1913 Webster]
•  Without expression or meaning; not expressive; dull; unintelligent; as, an inexpressive countenance.  [1913 Webster]

OXFORD DICTIONARY

inexpressive, adj. not expressive.

Derivative

inexpressively adv. inexpressiveness n.

ROGET THESAURUS

inexpressive

Unmeaningness

N meaninglessness, unmeaningness, scrabble, empty sound, dead letter, vox et praeterea nihil, a tale told by an idiot, full of sound and fury, signifying nothing, sounding brass and a tinkling cymbal, nonsense, utter nonsense, gibberish, jargon, jabber, mere words, hocus-pocus, fustian, rant, bombast, balderdash, palaver, flummery, verbiage, babble, baverdage, baragouin, platitude, niaiserie, inanity, flap-doodle, rigmarole, rodomontade, truism, nugae canorae, twaddle, twattle, fudge, trash, garbage, humbug, poppy-cock, stuff, stuff and nonsense, bosh, rubbish, moonshine, wish-wash, fiddle- faddle, absurdity, vagueness, boilerplate, clich_¬, unmeaning, meaningless, senseless, nonsensical, void of sense, inexpressive, unexpressive, vacant, not significant, insignificant, trashy, washy, trumpery, trivial, fiddle-faddle, twaddling, quibbling, unmeant, not expressed, tacit, inexpressible, undefinable, incommunicable.