GRE shack Definition A small, poorly built cabin or house. Example "They spent the weekend fishing from a wooden shack by the lake." Sign in to save GRE Quiz → ← shabby shackle → Study tips featuring "shack" Group Words Together by Emotional Tone Force Contrast Between Two Similar Words Uncover the Hidden Stories Behind GRE Words Related words GRE awe GRE smithereens GRE abacus SAT abase GRE abash GRE abate GRE abbreviate GRE abbreviation SAT abdicate SAT abdomen GRE abduct GRE aberrant