使役形 => Causative form N4
~V使役受身      => causative-passive form N4
Conjugate verbs
[使「し」][役「えき」] => Coercive, permission, allow, make N4
Causative, Passive, Volitional
[使「し」][役「えき」][受「う」]け[身「み」] => Imperative N4
Causative, Passive, Volitional
よりいっそ => I'd rather... than... N2
Description
…どうりがない => No reason... N2
Emphasize negative meaning
~きわまる/きわまりない(~極まる/極まりない)      => extremely; very ~ N1
というより/というか => rather than ~ N3
さっぱり…ない => nothing/ absolutely not… N2
Position, perspective
あまり~ない => not very, not much ~ N5
よりない => to have no choice but ~ N3
Limit
..... ばかりもいられない => can't keep doing ~ N2
Speculation