lemon

lemon /ˈlɛmən/ noun
plural lemons
lemon
/ˈlɛmən/
noun
plural lemons
Britannica Dictionary definition of LEMON
1 
[count, noncount] : a yellow citrus fruit that has a sour taste
— often used before another noun — see color picture on this page
2 
[noncount] : a bright yellow color
— called also lemon yellow
— see color picture on this page
3 
[count] chiefly US, informal : a product that is not made well : a product that does not work the way it should
4 
[count] British, informal : a stupid or silly person

— lemony

/ˈlɛməni/ adjective [more lemony; most lemony]