the opposite of straight is crooked or wavy.
A synonym for straight is unbent.
oval, or straight
For "sweet": a synonym is "sugary," an antonym is "bitter," and a homonym could be "suite." For "fair": a synonym is "just," an antonym is "unfair," and a homonym is "fare." For "right": a synonym is "correct," an antonym is "wrong," and a homonym is "write." For "waste": a synonym is "discard," an antonym is "save," and a homonym is "waist." For "peace": a synonym is "tranquility," an antonym is "conflict," and a homonym is "piece." For "night": a synonym is "evening," an antonym is "day," and a homonym is "knight." For "straight": a synonym is "direct," an antonym is "crooked," and a homonym is "strait." For "pale": a synonym is "light," an antonym is "dark," and a homonym is "pail."
The antonym of the word 'synonym' is 'antonym'.
straight, upright, tough, disciplinary, harsh
The word straight does have an antonym, which is crooked. So perhaps a crooked line is the opposite of a straight line.
The antonym for crooked is straight.
An antonym for creased is straight or smooth
straight
A synonym for straight is unbent.
tunnel? Or straight path.
oval, or straight
bent backward
Straight line
Antonym means the opposite. So the opposite of angle is a straight line.
bent backward
curved, twisted