Synonyms of outside in English:

outside


See US English definition of outside

See UK English definition of outside

See Spanish definition of exterior

noun

1‘the outside of the building is decorated in fine style’

SYNONYMS
external surface, outer surface, surface, exterior, outer side, case, skin, shell, crust, husk, covering, outer layer, sheath, facade, elevation, front, frontage
ANTONYMS

inside

2‘the outside of the bend’

SYNONYMS
longer edge, outer edge, edge, the long way round
ANTONYMS

inside


adjective

1‘go and put the outside lights on’

SYNONYMS
exterior, external, outer, outermost, outward, outdoor, out-of-doors
ANTONYMS

inside

2‘this work is to be carried out by outside contractors’

SYNONYMS
independent, consultant, consulting, hired, temporary, freelance, casual, visiting, non-resident, external, extramural, peripatetic
extraneous, extrinsic, outward, alien, foreign

3‘an outside chance’

SYNONYMS
slight, slender, slim, small, tiny, faint, negligible, marginal, remote, distant, vague, unlikely, improbable
little

adverb

1‘they went outside’

SYNONYMS
outdoors, out of doors, out of the house, on the outside, al fresco, externally, exteriorly
ANTONYMS

inside