not ... at all

even if ...,...cannot

very, exceedingly, awfully / (before a negative form) not at all, at all, by no means

gate bar

a heavy, usually wooden, crossbar used to lock across double doors or gates of an entrance to a building, similar to a latch

a surname

heavy / (of computers or programs) sluggish; slow / (of computer networks) congested; having poor performance

a division / something that divides two objects

the number of overlaps; fold, layer

main, principal, important