impenetrable · solid · heavy · dense · rampart · blockade · insulation · soundproof · plaster · mortar · brick · sturdy · defensive · castle · dungeon · cell · protection · bulk
IDEA.org / Words / thick wall
Related — barrier (Obstruction preventing passage); fortress (Heavily defended military structure); masonry (Building with mortared blocks); stone · concrete · impenetrable · solid · heavy · dense · rampart · blockade · insulation · soundproof
wall dimension/thicknessthick wall ≠ membrane Thin tissue sheet
barrier permeabilitythick wall ≠ glass wall Transparent vertical divider; screen · lattice · mesh · curtain
structural presencethick wall ≠ open space Unobstructed outdoor area; gap · opening · void · curtain · partition
Word data: Linguabase (CC0) · www.idea.org/words/thick_wall