I would guess lateral maybe?
The word straight does have an antonym, which is crooked. So perhaps a crooked line is the opposite of a straight line.
The opposite of crooked or criminal is upright or law-abiding.
The opposite of crooked is straight.
the opposite of straight is crooked or wavy.
Antigogglin is the opposite of sigogglin. Sigogglin is slanted to the right. Antigogglin is slanted to the left.
Straight.
In terms of animal science, a crooked tail can be found on various animals. There is no specific word to describe the phrase.
The word is pronounced CROOK- ed (first syllable rhymes with book; second syllable rhymes with bed). It can mean the opposite of "straight" or it can be a slang expression for someone who is corrupt and dishonest.
talkative
Straight.
Bent; which doesn't sound as good as crooked.
A five letter word that is the opposite of the word "gradual" and contains a second letter of "l" is a popular word game answer. The five letter word being sought is "fleet."