straight
it is a straight line
The word straight does have an antonym, which is crooked. So perhaps a crooked line is the opposite of a straight line.
A Crooked Line - 2012 was released on: USA: 1 March 2012
A sign with a straight line and a crooked line generally means that motorists need to merge.
you cant
The Detectives - 1959 Walk a Crooked Line 3-19 was released on: USA: 23 February 1962
Crooked - Crooked means a unevenExample - A line that is not straight or isn't very neat
The antonym for crooked is straight.
Comparative: more crooked Superlative: most crooked
There Was a Crooked Man... was created in 1970.
Twisted or curved are about the same meaning as crooked.
not crooked = straight body of water = strait