after-dinner speaker (noun) speaker: talker
Sinonime: all by one's self,
apart, autonomously, by oneself, exclusive of,
freely, individually, of one's own volition, on one's own, one at a time, one by one, separately, severally, singly,
solo, unaided, unrestrictedly, unsupervised, without regard to, without support
Antonime: dependently