Antonyms of adj tendentious

1 sense of tendentious

Sense 1
tendentious, tendencious -- (having or marked by a strong tendency especially a controversial one; "a tendentious account of recent elections"; "distinguishing between verifiable fact and tendentious assertion")

INDIRECT (VIA partisan) -> nonpartisan, nonpartizan -- (free from party affiliation or bias)

Similarity of adj tendentious

1 sense of tendentious

Sense 1
tendentious, tendencious -- (having or marked by a strong tendency especially a controversial one; "a tendentious account of recent elections"; "distinguishing between verifiable fact and tendentious assertion")
       => partisan (vs. nonpartisan), partizan -- (devoted to a cause or party)