- not moderate; exceeding just or reasonable limits; excessive; extreme.
- Obsolete. intemperate.
- Obsolete. without bounds.
- lacking in moderation; excessiveimmoderate demands
- obsolete venial; intemperateimmoderate habits
late 14c., from Latin immoderatus “boundless, immeasurable,” figuratively “unrestrained, excessive,” from assimilated form of in- “not, opposite of” (see in- (1)) + moderatus “restrained” (see moderate). Related: Immoderately.