straiten
1 antonym for straiten — opposites grouped by meaning.
Verb — To make something narrower, or squeeze it into a smaller space.
Synonyms by Meaning
1. verb
To make something narrower, or squeeze it into a smaller space.
“The channel straitened the river through the town, made it flow faster, and caused more flooding upstream.”
Opposites
2. verb
To limit or reduce something, especially money.
“Rising costs put those on fixed incomes in straitened circumstances.”