noun
ADJECTIVE
▪ clear , direct
▪ frequent
▪ indirect , subtle , vague , veiled
▪
She was made uncomfortable by his veiled ~ to the previous night.
▪ biblical , classical , cultural , historical , literary , Shakespearean
VERB + ALLUSION
▪ contain , include
▪ make
▪
He makes several ~s to these events in his latest book.
PREPOSITION
▪ ~ to