пречещ angolul

obstructive▼(causing obstructions)
adjective
[UK: əb.ˈstrʌk.tɪv] [US: əb.ˈstrək.tɪv]

thwart▼(having a tendency to oppose, see also: obstinate; perverse)
adjective
[UK: θwɔːt] [US: ˈθwɔːrt]