Definitions
1.VerbTo read below what is normal, usual, or expected, or with less competency, alertness, ability, etc.
2.VerbTo read to a lesser degree. (Can we add an example for this sense?)
3.Verbsimple past and past participle of underread
4.AdjectiveRead to a lesser degree; insufficiently read.
5.AdjectiveHaving read below what is normal, usual, or expected, or with less competency, alertness, ability, etc.