むしろ => rather; instead N2
Compare
...はむりだ... => impossible N4
Description
ぐらいならむしろ => If...then it would be better... N2
Cause, reason
もしくは => or; otherwise N1
Selection
なくて済む/ないで済む => get by without doing ~ N2
より(も)むしろ => rather; instead; better ~ N3
…たりしたら/しては => ... Such as N3
Demonstrate by example
なくして(は)~ない => cannot do without ~ N1
はとにかく (として) => setting aside, regardless of N2
Change the subject of the story
くらい~はない => Not to the extent of… N3
むき => facing towards N3
Direction
…くらいの…しか…ない => Only… at low level N2
Limit, limit