Here are the possible solutions for swear up and down clue
Answer
Clue
Relevancy
attest
Clue
Swear up and down
Definition
to affirm to be genuine
aver
Clue
Swear up and down
Definition
to declare positively
lest
Clue
"O, swear not by ... the fickle moon ... __ that thy love prove likewise variable": "Romeo and Juliet"
Definition
(Spenser) to listen
toolers
Clue
Five-___ (baseball slang for position players who excel at hitting for average, hitting for power, baserunning, throwing ability, and fielding) (I swear this is a real thing)
