substantiveadjective
uk/səbˈstæn.tɪv/us/səbˈstæn.t̬ɪv/formalimportant, serious, or related to real facts:
Substantive research on the subject needs to be carried out.
The documents are the first substantive information obtained by the investigators.
Thesaurus: synonyms and related words
Very important or urgent
- all-important
- arch
- at all cost(s) idiom
- be a matter of life and/or death idiom
- burning
- chief
- considerable
- critical
- major league
- make the world go around/round idiom
- materially
- minor league
- mission-critical
- prized
- radical
- sacred
- salient
- serious
- seriously
- substantial
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substantively
adverb uk/səbˈstæn.tɪv.li//səbˈstæn.t̬ɪv.li/formal
The final version will look substantively different to what was first suggested.