Lemonlike is an adjective that describes something with a sour, acidic, or citrusy flavor or smell. Antonyms for lemonlike could include words like sweet, mild, or bland, which describe things that lack acidity or sharpness. Other antonyms may be savory, salty, or umami, which suggest a more complex and robust flavor profile. Alternatively, words like floral, fruity, or aromatic may describe scents that are more delicate or subtle than the tart, pungent aroma of lemons. Ultimately, the choice of antonym will depend on context and personal preference, as the word "lemonlike" can be used in a variety of ways to convey different meanings.