on spec

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Adverb

1. In hope of success, using one's best guess.
2. {{lb|en|colloquial|business}} With the hope of selling it, as opposed to on commission {{gloss|for hire}} or with some other likewise assured outlet for getting paid or [[resell#Verb|reselling]].

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.