extensive (adj.)
- all-embracing
- ample
- astronomical
- awesome
- big
- boundless
- broad
- bulky
- capacious
- catholic
- colossal
- commodious
- comprehensive
- considerable
- copious
- cosmic
- cosmopolitan
- deep
- diffuse
- elastic
- enormous
- expansible
- expansile
- expansive
- extended
- extensile
- extensional
- far-flung
- full
- galactic
- general
- generous
- gigantic
- global
- great
- huge
- immeasurable
- immense
- inclusive
- indiscriminate
- infinite
- inflatable
- inflationary
- interminable
- international
- king-size
- large
- large-scale
- lengthy
- liberal
- long
- longish
- mammoth
- massive
- monstrous
- monumental
- mountainous
- national
- outsize
- overgrown
- prodigious
- roomy
- scopic
- sesquipedalian
- sizable
- sizeable
- spacious
- stupendous
- substantial
- sweeping
- tall
- titanic
- tremendous
- universal
- vast
- voluminous
- weighty
- wholesale
- wide
- wide-ranging
- widespread
- worldwide
