erratic
1 ENTRIES FOUND:
Britannica Dictionary definition of ERRATIC
[more erratic; most erratic]
:
acting, moving, or changing in ways that are not expected or usual
:
not consistent or regular
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His behavior seemed erratic.
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The light flashes at erratic [=irregular, random] intervals.
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He's an erratic [=inconsistent] shooter.
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erratic [=fluctuating] oil prices
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behaving/moving/acting erratically
