Anagrams of: IMPREGNATABLE

• fill, as with a certain quality

• infuse or fill completely

• fertilize and cause to grow

• make pregnant

• spreading or spread throughout

• a legislative assembly in certain countries

• a card game in which you play your sevens and other cards in sequence in the same suit as the sevens; you win if you are the first to use all your cards

• a shaky motion

• vibrating slightly and irregularly; as e.g. with fear or cold or like the leaves of an aspen in a breeze

• the act of altering something secretly or improperly

• a star with 5 points; formed by 5 straight lines between the vertices of a pentagon and enclosing another pentagon

• the sound of heavy treading or stomping

• a preliminary introduction to a statute or constitution (usually explaining its purpose)

• make a preliminary introduction, usually to a formal document