Grave, sober, sincere, important, weighty
*Malignant* - severe , critical and chronic.
detector or metal detectors
It depends. A synonym or an antonym to what?For instance:The word "debris" is an antonym to the words "whole, complete, neatness".The word "debris" is a synonym to the word "trash, remains, rubbish".
A synonym for common noun is word.
Prediction
Serious, critical.
riotous
Depends on context but 'somber' is one that will fit many situations.
no , a synonym is the same meaning for a word and the antonym is the opposite meaning for a word e.g synonym for sad:devastated antonym for sad: happy
grave, pressing, serious, severe, extreme, urgent, drastic, daring, furious
serious or strict
There are many synonyms for the adjective "staid". One can interchange the word "staid" with words such as "sedate", "serious", "grave", "steady", and "composed".
synonymize
word for word
The antonym of the word 'synonym' is 'antonym'.
"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.
"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.