Reference meaning
on spec
Last updated
In hope of success, using one's best guess.
Other meanings
2. adverb
With the hope of selling it, as opposed to on commission (for hire) or with some other likewise assured outlet for getting paid or reselling.
Source and scope
This definition is reproduced from English Wiktionary, sense en-on_spec-en-adv-N2zcZg50, under the CC BY-SA 4.0. It has not yet received VocabularyBase editorial review. Read the source and license details.