adj. Like a block in shape or nature; coming across as a block.
adj. Lacking understanding; stupid; obtuse; dull.
adj. Rude; clumsy; rough.
the GNU version of the Collaborative International Dictionary of English
adj. Like a block; deficient in understanding; stupid; dull.
The Century Dictionary and Cyclopedia
Like a block; stupid; dull; deficient in understanding: as, “blockish Ajax,”
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. resembling a block in shape
Word Usage
"The first hardcover edition came out, what, six, seven years ago, the jacket featuring the title (The Stories of Vladimir Nabokov) in blockish paper-cut-out letters, lepidoptery-pinned to a pale blue background."