rigid
US /ˈrɪdʒɪd/
・UK /ˈrɪdʒɪd/
B1
adjective
- Stiff rather than flexible
- Very fixed in your opinion or habits
- Unable to bend easily; stiff.
- Strict or inflexible.
Examples
He grew even more rigid and uncompromising as he got older.
He went absolutely rigid with shock.