truthy

1. (obsolete or humorous) Faithful; true.Examples: "You […] are afraid Theodore your sweetheart shouldn't prove truthy."; "Mindy Lahiri is never one to mince words, and most of the things that come out of her mouth are rife for a gospel. But her sheer overwhelming emotion at her doughnut craving is one of the truthiest truthisms she's ever truthed. Preach, girl."Synonyms: faithful, honesthumorousobsolete

2. (US, colloquial) Only superficially true; that is asserted or felt instinctively to be true, with no recourse to facts.Examples: "Historians today point out that each of these ringing assertions was, at best, truthy."Synonyms: truthlike, truthful, truthsome, veridicalUScolloquial

3. (programming) Evaluating to true in a Boolean context.Examples: "In JavaScript, any expression or statement that expects a boolean value will work with a truthy or falsy value, so the fact that && does not always evaluate to true or false does not cause practical problems."; "In JavaScript, as well as the true or false Boolean values, other types of variables can be said to be truthy or falsey."; "To remember which values are truthy and which are falsey, just memorize the five falsey values - undefined, null, 0, "" and NaN -- and remember that everything else is truthy."Antonyms: falsy