Borderline
Borderline adjective - Located at or near a border.
Uncertain is a synonym for borderline in certain topic. In some cases you can use "Uncertain" instead an adjective "Borderline", when it comes to topics like marginal, inexact.
Nearby Words: border, borderland
Uncertain
Uncertain adjective - Likely to change frequently, suddenly, or unexpectedly.
Borderline is a synonym for uncertain in certain topic. You can use "Borderline" instead an adjective "Uncertain".
Nearby Words: uncertainty, uncertainly
Mutual synonyms
Related pairs
- dubious and borderline
- dubious and uncertain
- questionable and borderline
- questionable and uncertain
- unsettled and borderline
- unsettled and uncertain
- unclear and borderline
- unclear and uncertain
- ambiguous and borderline
- ambiguous and uncertain
- doubtful and borderline
- doubtful and uncertain
- chancy and borderline
- chancy and uncertain
Both words in one sentence
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Sirleck is a borderline example; he has wings of uncertain utility but is not exactly humanoid.
Source: Winged Humanoid - Much like (and likely more so than) Washington, it's uncertain how much of his borderline-saintly reputation is historical fact and how much was propaganda.
Source: Cincinnatus - The exact degree of their distinctive height and features is vague, leaving it uncertain whether they'd strike us as beautiful, or as borderline Humanoid Abominations.
Source: Literature / Book of the New Sun
Cite this Source
Uncertain and Borderline. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/borderline/uncertain
Borderline & Uncertain. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/borderline/uncertain>.
Uncertain or Borderline. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/borderline/uncertain.
Google Ngram Viewer shows how "borderline" and "uncertain" have occurred on timeline