Opening, portal, hole, entrance.
hallway
Entry
The word colossal has dozens of synonyms such as barn door, behemothic, blimp, cyclopean, elephantine, enormous, gargantuan, giant, gigantic, huge and many more.
connecting, touching, bordering, neighbouring, next door, adjacent, abutting
access, bar, conduit, door, doorway, egress, exit, fence, gateway, issue, lock, opening, passage, port, portal, portcullis, revolving door, slammer, turnstile, way, weir
They are synonyms.
Synonyms
Relative and kin are synonyms.
They are synonyms.
If you mean "kicks in" as in "...the paratrooper kicks in the door...", then a form of breach would work for you, i.e., "...the paratrooper breaches the door...". If you mean as a form of physical destruction, such as "...kicks in the criminal's head...", then destroys, obliterates, and synonyms of those words would work.
synonyms
Are there synonyms for washable