1. In an unalterable and unchangeable manner
   - unchangeably, unassailably, immutably

See also: unalterable

• territorialize
• territorially
• territory
• terror
• terror-stricken
• terror-struck
• terrorisation
• terrorise
• terrorism
• terrorist
• terrorist act
• terrorist attack
• terrorist cell
• terrorist group
• terrorist organisation
• terrorist organization
• terrorization
• terrorize
• terry
• terry towel
• terrycloth
• Tersanctus
• terse
• tersely
• terseness