Exact Match:
- instantaneous
- occurring with no delay; "relief was instantaneous"; "instant gratification"
Synonyms:
- alert,
- apt,
- brief,
- compact,
- compendious,
- concise,
- curt,
- curtal,
- curtate,
- decisive,
- decurtate,
- expeditious,
- fast,
- hair-trigger,
- immediate,
- instant,
- lightning-like,
- little,
- low,
- momentaneous,
- momentary,
- presto,
- prompt,
- punctual,
- quick,
- quick as lightning,
- quick as thought,
- rapid,
- ready,
- short,
- short and sweet,
- speedy,
- spontaneous,
- succinct,
- summary,
- swift,
- synoptic,
- transient,
- transitory