Synonyms of walled

1 Syllable
strong
2 Syllables
manned, armed, bounded, guarded, flanked, rimmed
3 Syllables
bulwarked, bastioned, fortressed, entrenched, armored, secured, protected, buttressed, supported, reinforced, fortified, boundaried, covered, strengthened
4 Syllables
safeguarded, barricaded, garrisoned, limitary