Credible
Both words in one sentence
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Their 'aircraft' (another alien species) also seem to be a credible threat to fighter jets and helicopters (they were doing airdrops during Surface Tension, suggesting that the US military was unable to secure air superiority.) Bee Bee Gun: The Hornet Gun.
Source: Video Game / Half-Life
Cite this Source
Secure and Credible. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/credible/secure
Credible & Secure. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/credible/secure>.
Secure or Credible. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/credible/secure.
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