English - Vocabulary test (4).

to collect information from different places and arrange it

to accumulate possessions, even if they are not needed

lacking the quality or quantity required

the ultimate conclusion reached decisively and with authority

a substance made by chemical synthesis, made from unnatural products to imitate the natural

a state of heightened fear or uneasiness

going through or into something, a shrill sound

Something very indistinct or uncertain in character

short for "the proletariat", a member of the lower/working classes

put aside or held back for a specific purpose

almost impossible to understand

to disappear without a trace

a reprimand, a telling-off

not able to be controlled or restrained

happening or occurring as a result of a sudden event

made up of several elements

poorly made and likely to collapse

incapable of being put up with

Be a strong or leading element/force

to increase rapidly in number

Unable to be believed