unreasonably
un·rea·so·nably
adverb
1.
not in a reasonable or intelligent manner
- “she reacted unreasonably when she learned she had failed”
2.
to a degree that exceeds the bounds or reason or moderation
- “his prices are unreasonably high”
Origin
From Middle English unresonably, equivalent to unreasonable + -ly, after resonably (whence reasonably) and (originally) Late Latin irratiōnābiliter.
Related words
Pertaining to
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.