An Encylopedia Britannica Company

outside

1 outside /ˌaʊtˈsaɪd/ /ˈaʊtˌsaɪd/ noun
plural outsides
1 outside
/ˌaʊtˈsaɪd/ /ˈaʊtˌsaɪd/
noun
plural outsides
Britannica Dictionary definition of OUTSIDE
the outside : an area around or near something (such as a building)
[count] : an outer side, edge, or surface of something usually singular often + of

at the outside

: at the most : at the greatest amount or limit

on the outside

: on the outer side, edge, or surface of something
baseball : on the side of home plate farthest from the batter
used to describe someone's appearance
: not in prison
2 outside /ˌaʊtˈsaɪd/ /ˈaʊtˌsaɪd/ adjective
2 outside
/ˌaʊtˈsaɪd/ /ˈaʊtˌsaɪd/
adjective
Britannica Dictionary definition of OUTSIDE
: located on or near an outer side, edge, or surface of something
always used before a noun
: located in or near the area around a building and not inside it
: involving people who are not in the same building, group, or organization as you
see also outside world at 1world
always used before a noun : not involving your regular job or duties
always used before a noun : barely possible : very unlikely
3 outside /ˌaʊtˈsaɪd/ /ˈaʊtˌsaɪd/ adverb
3 outside
/ˌaʊtˈsaɪd/ /ˈaʊtˌsaɪd/
adverb
Britannica Dictionary definition of OUTSIDE
: in or to a place that is near but separate from another place
: in or to a place that is in the area around or near a building and not inside it : outdoors
: on the outer side, edge, or surface of something
4 outside /ˌaʊtˈsaɪd/ /ˈaʊtˌsaɪd/ preposition
4 outside
/ˌaʊtˈsaɪd/ /ˈaʊtˌsaɪd/
preposition
Britannica Dictionary definition of OUTSIDE
: in a place that is near but separate from (something)
: beyond the limits or borders of (something)
: not belonging to (a group or organization)
: apart from (someone or something) : except, besides

outside of

chiefly US
: outside

think outside the box

see 1box