abrade

1.	to wear off or down by scraping or rubbing.

2.	to scrape off.

aboveboard

in open sight; without tricks, concealment, or disguise: Their actions are open and aboveboard.

abound

1.	to occur or exist in great quantities or numbers: a stream in which trout abound.

2.	to be rich or well supplied (usually fol. by in): The region abounds in coal.

3.	to be filled; teem (usually fol. by with): The ship abounds with rats.

abortive

1.	failing to succeed; unsuccessful: an abortive rebellion; an abortive scheme.

2.	born prematurely.

3.	imperfectly developed; rudimentary.

4.	Medicine/Medical. a. producing or intended to produce abortion; abortifacient. b. acting to halt progress of a disease.

5.	Pathology. (of the course of a disease) short and mild without the usual, pronounced clinical symptoms.

6.	Botany. (of seeds or pollen grains) imperfect; unable to germinate.

aboriginal

–adjective

1.	of, pertaining to, or typical of aborigines: aboriginal customs.

2.	original or earliest known; native; indigenous: the aboriginal people of Tahiti.

–noun

3.	aborigine (def. 1).

4.	(initial capital letter) aborigine (def. 2).

abominate

1.	to regard with intense aversion or loathing; abhor.

2.	to dislike strongly.

abolish

to do away with; put an end to; annul; make void: to abolish slavery.