Synonyms of the word

downstairs

• adj. A floor lower than the one a speaker currently occupies.
• adv. living, stepping, or coming down the stairs.
• n. The lower floor of a house, at ground level.
• n. (slang) The genitalia.

below

• prep. Lower in spatial position than.
• prep. Lower in value, price, rank or concentration than.
• prep. Downstream of.
• prep. South of.
• prep. Unsuitable to the rank or dignity of; beneath.
• prep. (stage directions) Downstage of.
• adv. In a lower place.
• adv. On a lower storey.
• adv. Further down.
• adv. (nautical) On a lower deck.
• adv. (of a temperature) Below zero.

downstair

• adj. (dated) downstairs.

ground-floor

• adj. Situated on the ground floor.