pervious

adjective6

1. •
   Often followed by to: capable of being penetrated by another body or substance, such as air or water; admitting passage.

   • If looking up to God, or dovvne to us, / Thou finde that any vvay is pervious, / Tvvixt heav'n and earth, […] — 1631
2. •
   (figurative) Of a person, etc.: susceptible to being influenced by arguments, ideas, etc.; impressionable, tractable.
3. •
   (figurative) Capable of being seen through; open to being examined; patent, unconcealed.
4. •
   (figurative) Capable of being penetrated mentally; intelligible, understandable.

   • From being spies, or to spies pervious, / From thirst, or scorne of flame, deliver us. — 1631
5. •
   (no longer used) Of a body structure (especially the nostril of a bird): having a hole, perforate; also, wide open.

   • The nostrils are very large, and pervious: the vvhole plumage is dusky, dashed vvith purple and green: legs of a dirty flesh-color: clavvs black. — 1785
6. •
   (no longer used) Capable of penetrating or permeating.

   • VVhat is this little, agile, pervious Fire, / This flutt'ring Motion, vvhich VVe call the Mind? / Hovv does She act? and vvhere is She confin'd? — 1718