Erratic
Erratic adjective - Different from the ordinary in a way that causes curiosity or suspicion.
Usage example: the key to the code was the erratic punctuation the killer used
Weird is a synonym for erratic in usual topic. In some cases you can use "Weird" instead the word "Erratic" as an adjective or a noun, when it comes to topics like unpredictable.
Nearby Word: errant
Weird
Weird adjective - Different from the ordinary in a way that causes curiosity or suspicion.
Usage example: always has a somewhat weird opinion of what's happening in the news
Mutual synonyms
Related pairs
Both words in one sentence
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His portrayal in later seasons makes him seem just erratic and weird.
Source: Series / True Blood - As Boy Meets World went on Eric got sillier, more erratic and just plain damn weird, but when he did get serious you knew things were bad.
Source: Sarcasm Failure - If that isn't weird enough, he walks in a very erratic manner with his torso rotated 180 degrees only for him to suddenly stop, lay in the ground and float up to his bed.
Source: Dead Character Walking
Cite this Source
Weird and Erratic. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/erratic/weird
Erratic & Weird. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/erratic/weird>.
Weird or Erratic. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/erratic/weird.
Google Ngram Viewer shows how "erratic" and "weird" have occurred on timeline