spontaneous
Irresponsible; careless; impulsive; flighty.
fretful,nervous,apprehensive,overwrought,perturbed,fraught,distraught.
Concerned.
feeling
Insane, mad, unhinged.
A synonym for slow is plodding, sluggish, or inactive.
No such word as "errational". If you meant "irrational" then a synonym would be 'unhinged', 'mad', 'loopy', 'impulsive', 'unreasonable', 'unsound'.
wish, passion, motivation, inspiration, influence, feeling, desire, appeal
foolish, thoughtless, impulsive, daring, fiery
Synonyms would be 'unhinged', 'mad', 'loopy', 'impulsive', 'unreasonable', 'unsound'.
The impulsive child went that-a-way.
Her niece is not quite precocious; more like impulsive.
synonymize
word for word
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"Alternate word" is a noun-phrase that is kind of a synonym for the word "synonym. There is no one exact word that means the same as synonym.
The antonym of the word 'synonym' is 'antonym'.