| fastened(verb, adjective, strong, secure, firm) |
| guaranteed(verb, adjective, secure, firm, certain) |
| fast(adjective, strong, secure, substantial, stable) |
| assured(verb, adjective, guaranteed) |
| fixed(verb, adjective, strong, secure, firm) |
| warranted(verb, adjective, guaranteed) |
| barred(verb, adjective, limited, controlled, constrained) |
| insured(verb, adjective, guaranteed) |
| safeguarded(verb, adjective, secure, guarded, sheltered) |
| bolted(verb, adjective, strong, secure, substantial) |
| bonded(verb, adjective, guaranteed) |
| latched(verb, adjective, closed) |
| locked(verb, adjective, closed) |
| certified(verb, adjective, guaranteed) |
| closed(verb, adjective, strong, secure, substantial) |
| guarded(verb, adjective, secure, firm, sheltered) |
| captured(verb, acquired, captured) |
| covered(verb, adjective, secure, guarded, sheltered) |
| defended(verb, adjective, secure, firm, guarded) |
| ensured(verb, adjective, guaranteed) |