Imperative (adjective) ناگزیر، آمرانہ، ضروری

of vital importance; crucial.
Example: “immediate action was imperative”
Synonyms: vitally important, of vital importance, all-important, vital, crucial, critical, essential
Antonyms: unimportant, optional
Spew (verb) تھوکنا، قے کرنا

expel large quantities of (something) rapidly and forcibly.
Example: “buses were spewing out black clouds of exhaust”
Synonyms: emit, discharge, eject, expel, belch out, pour out, spout, disgorge
Antonyms: prevent, failing, stay, running