"shielded" in the verb sense
1. shield, screen
protect, hide, or conceal from danger or harm
2. harbor, harbour, shield
hold back a thought or feeling about
"She is harboring a grudge against him"
"shielded" in the adjective sense
1. shielded
used especially of machinery) protected by a shield to prevent injury
Source: WordNet® (An amazing lexical database of English)
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