We've found 4 phrases for inconsistent (0.24 seconds):

all over the place »    Inconsistent; lacking a clear pattern.

blow hot and cold »    To behave inconsistently; to vacillate or to waver, as between extremes of opinion or emotion.

mixed message »    Any communication that is contradictory, inconsistent, or unclear, especially in its motive or intent.

out of character »    Inconsistent with one's personality, disposition, or usual expected behaviour.

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