blatant
BLAY-tuntadjMeaning completely obvious and done without shame
Memory hook BLAT-ant: as loud as a BLARING horn. Rex copies Pip’s test while reading the answers out loud, as loud as a blaring horn; cheating that shameless and obvious is blatant.
Copying your neighbor’s answers word for word is blatant cheating.
In context Jonah’s excuse was a blatant lie; he claimed he had been home all evening, but half the class had seen him at the arcade.
Similar obvious, flagrant, glaring, brazen
Opposite subtle, hidden, inconspicuous