viscid (adj.)

• adherent
• adhesive
• amylaceous
• bullheaded
• cartilaginous
• chewy
• clammy
• close
• close-knit
• clotted
• coagulated
• cohesive
• compact
• compressed
• concentrated
• concrete
• congested
• consolidated
• coriaceous
• crowded
• curdled
• dense
• doughy
• durable
• fibrous
• firm
• gelatinous
• gluey
• glutinous
• gooey
• gristly
• grumous
• gummy
• hard
• hardy
• heavy
• impenetrable
• impermeable
• jam-packed
• jammed
• jelled
• jellied
• jellylike
• lasting
• leatherlike
• leathery
• massive
• mucilaginous
• nonporous
• obstinate
• packed
• pasty
• persistent
• resistant
• ropy
• serried
• sinewy
• slimy
• slithery
• solid
• starchy
• sticky
• stiff
• stodgy
• stringy
• strong
• stubborn
• substantial
• syrupy
• tacky
• tenacious
• thick
• thickened
• thickset
• tough
• untiring
• vigorous
• viscous
• wiry