seeping in

• oozingLeaking viscously and slowly
• tricklingFlowing in thin stream
• permeatingSpreading throughout completely
• infiltratingEntering covertly to gather information
• soakingCompletely saturated with liquid

absorbing · leaking · creeping · saturating · penetrating · damp · moisture · spreading · gradual · slow · porous · groundwater · stain · bleeding · diffusing · osmosis · soggy · waterlogged