To FACE an audience?
LIVE?
LiveSHOWIT CAN BE EITHER
live
live
live
A four letter word meaning not kosher is: tref
The four-letter word is "lock." When you place the letter "I" in front of it, it becomes "ilock," which isn't a standard word. However, if you meant the word "lack," placing "I" in front forms "ilack," which also doesn't reverse the meaning. The correct answer is "loud," which becomes "iloud," not a standard transformation. Please clarify if looking for a different word.
kill
into
aver
The word pine can have that meaning.
aloe
A four-letter word for cooking fat is "lard".