1. volatile   evaporating rapidly or highly explosive.   harmful or poisonous.   dissolvable (in solvent) or solvable (of problem).   shining and shedding light.   Hint Half-n-half Clue   2. permeable   salty.   penetrable or allowing fluids to pass through.   echoing or resounding.   artificial or produced by synthesis.   Half-n-half Clue   3. latent   melted.   artificial or produced by synthesis.   hidden potential, not manifest.   iridescent or displaying rainbow-like colors.   Half-n-half Clue   4. visceral   at rest or in equilibrium.   pertaining to the abdomen.   pertaining to the internal body organs.   without parallel or equal; one of its kind.   Half-n-half Clue   5. viscous   shaped like an egg.   pertaining to the internal body organs.   pertaining to a semi-fluid sticky consistency.   caustic or sharp in taste or smell.   Half-n-half Clue   6. somatic   pertaining to the body or physical.   supefluous or excessive.   used as preventive for spread of disease.   pertaining to poison.   Half-n-half Clue   7. valid   dissolvable (in solvent) or solvable (of problem).   between one and two right angles; blunt or dull.   capable of being shaped by hammering or pliable.   sound or logically convincing.   Half-n-half Clue