say it: awl-TUR-nuh-tiv
alternative is an adjective and noun meaning "serving or used in place of another". It carries 4 recorded senses.
necessitating a choice between mutually exclusive possibilities
“alternative possibilities were neutrality or war”
pertaining to unconventional choices
“an alternative life style”
one of a number of things from which only one can be chosen
“what option did I have?”
“there is no other alternative”
“my only choice is to refuse”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for alternative come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.