adjective
yellower; -est
[or more ~; most ~]
having the color of the sun or of ripe lemons
informal :afraid in a way that makes you unable to do what is right or expected :cowardly
always used before a noun :containing news that is meant to shock people and that is not true or is only partly true
noun
plural -lows
the color of the sun or of ripe lemons [noncount]
see color picture
verb
-lows; -lowed; -lowing
to become yellow or to cause (something) to become yellow [no obj]
US