wooden

adj.

[1]	wood , woody , ligneous , xyloid
[2]	stiff , rigid , artificial , clumsy , stilted , unnatural , awkward , ungainly , spiritless , unanimated , dead , lifeless , dry , passionless , unimpassioned , impassive , vacant , empty , colourless , expressionless , deadpan
[3]	unintelligent , block-headed , stupid , dull , insensitive , slow-witted , dull-witted , obtuse , oafish , doltish , tiny-minded , dim-witted , dunderpated , (Colloq) thick , wooden-headed , knuckle-headed