describing a situation when prices are rising

forceful

(of arguments) strong and convincing

effective

in charge

superior, authoritative

caused by a compulsion

driving, obsessive

(of facts, evidence etc) convincing; removing all doubt

definite, final

decisive; critical

critical, important

(of rain, snow etc) being blown hard while falling; the activity of operating a vehicle

forceful

of physical power and forces producing motion

active, vital

able to bring about the result intended

productive, persuasive

(of a person, character, argument etc) convincing, believable

effective, powerful

done by, involving the use of, physical force

powerful, aggressive

of visual symbols (e.g. lettering, diagrams, drawings)

clear, explicit

to be a person's duty; a person holding a position or appointment, especially in the church

obligatory

(of a command or power) that must be obeyed

required, necessary

that must be; that cannot be avoided

essential

(of commands) not to be disobeyed or questioned; (of a person, manner) insisting (too much) on obedience

overbearing, authoritative

able to influence or persuade

effective, influential

(especially of drugs or alcoholic drink) strong

effective, powerful, forceful

having or producing great power

strong, effective

urgent; requiring immediate attention

important; urgent

of great interest

fascinating, gripping

having a special or important meaning

telling, meaningful

attracting attention or great interest

extraordinary; beautiful

(of rules) strict, severe; that must be obeyed

rigid, tight

that cannot be disagreed with

definite, final

important and so needing a quick decision or action; (of a person, voice etc) showing that something is urgent

needing immediate attention

genuine and acceptable because made or done with the correct formalities; that can be legally used; (of arguments, reasons etc) acceptable

right, genuine