Out of the blue and On the spur of the moment

Out of the blue

Out of the blue adverb - In a way that was not expected.
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Synonyms for Out of the blue

On the spur of the moment and out of the blue are semantically related In some cases you can use "On the spur of the moment" instead an adverb phrase "Out of the blue".

On the spur of the moment

On the spur of the moment adverb - On impulse; without premeditation.

Out of the blue and on the spur of the moment are semantically related in suddenly topic. You can use "Out of the blue" instead an adverb phrase "On the spur of the moment".
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On the spur of the moment and Out of the blue. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/out_of_the_blue/on_the_spur_of_the_moment
Out of the blue & On the spur of the moment. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/out_of_the_blue/on_the_spur_of_the_moment>.
On the spur of the moment or Out of the blue. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/out_of_the_blue/on_the_spur_of_the_moment.