1. a tool used to drill holes   augur   auger   2. to evade   allude   elude   3. a person who believes that the existence of God cannot be proved or disproved   atheist   agnostic   4. to estimate the value of   appraise   apprise   5. having a strong dislike; unwilling   averse   adverse   6. outflow; sewage   affluent   effluent   7. plant that lives for two years, flowering and dying in second year   biannual   biennial