old man

(noun) a man who is very old. Synonyms: old man, greybeard, graybeard, Methuselah.

(noun) a familiar term of address for a man. Synonyms: old boy, old man.

(noun) an informal term for your father. Synonyms: old man.

(noun) aromatic herb of temperate Eurasia and North Africa having a bitter taste used in making the liqueur absinthe. Synonyms: common wormwood, absinthe, old man, lad's love, Artemisia absinthium.

(noun) (slang) boss. Synonyms: old man.