Antonyms for facilitate

assist:

thwart, hurt.

ease:

vex, annoy, worsen, make difficult, increase, irritate, perplex.

enable:

oppose, disallow, inhibit, prevent, halt.

expedite:

slow, cease.

facilitate:

hinder, block, prohibit, stop, check, delay, detain.

further:

obstruct, curtail, impede, protest, frustrate.

help:

harm, injure, decrease.

lighten:

weigh down, burden.

noun:

check, delay, sophisticate, drag, worsen, complicate, aggravate, impede, clog.