Lunchtime for some is typically between NOON and 1pm. The crossword solutions for this term are NOON (4 letters), ONE (3 letters), ONEPM (5 letters), and NOONDAY (7 letters). NOON is the time of day when the sun is at its highest point in the sky, usually around 12 o'clock. ONE is the number that comes after zero and before two. Onepm is an abbreviation for ONE o'clock in the afternoon. Noonday is another word for NOON, referring to the time of day when the sun is at its highest point in the sky.