いわれのない (translations)→ superstitious unfairly
根拠のない (translations)→ unreasonable vague
心からの (translations)→ dyed-in-the-wool earnest genuinely heart-felt heartful honest real true unalloyed warm
不当な (translations)→ invidious unconscionable undue unjustifiable unrighteous unwarrantable
余計な (translations)→ information redundant superfluous useless vain wrong