~ 1
(often an- before a vowel)
■ prefix not; without: atheistic.
Origin
from Gk.
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~ 2
■ prefix
1》 to; towards: aside.
2》 in the process of: ~hunting.
↘in a specified state: aflutter.
Origin
OE, unstressed form of on .
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~ 3
■ prefix variant spelling of ad- before sc , sp , and st (as in ascend , aspire and astringent ).
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~ 4
■ prefix
1》 of: anew.
2》 utterly: abash.
Origin
unstressed form of of (sense 1); Anglo-Norman Fr. ~ , from L. ex (sense 2).