unilateral contract is a noun meaning "a one-sided agreement whereby you promise to do (or refrain from doing) something in return for a performance (not a promise)". It carries one recorded sense.
a one-sided agreement whereby you promise to do (or refrain from doing) something in return for a performance (not a promise)
Definitions, synonyms and semantic relations for unilateral contract come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.