Certain
Mutual synonyms
Both words in one sentence
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Given that he's a bully and leg-breaker for the forces of Heaven, it's not certain whether he's sincere or just being an egocentric jerk.
Source: A Form You Are Comfortable With -
Trigger: Mentioned in "Certain Words." Like a lot of her videos, it's unclear whether this is ironic or sincere, or what the overall message is in regards to triggers.
Source: Music / That Poppy - Iris from Phoenix Wright: Trials and Tribulations is thought of this way by Edgeworth after she calls Maya 'strong and reliable' and Larry 'sincere and hard-working'; however, they can be described as these under certain circumstances.
Source: Horrible Judge of Character
Cite this Source
Sincere and Certain. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/certain/sincere
Certain & Sincere. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/certain/sincere>.
Sincere or Certain. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/certain/sincere.
Google Ngram Viewer shows how "certain" and "sincere" have occurred on timeline