Antonyms of adj unhygienic

1 sense of unhygienic

Sense 1
unhygienic -- (unclean and constituting a likely cause of disease; "pathetic dogs kept in small unhygienic cages")

INDIRECT (VIA unsanitary) -> sanitary, healthful -- (free from filth and pathogens; "sanitary conditions for preparing food"; "a sanitary washroom")

Similarity of adj unhygienic

1 sense of unhygienic

Sense 1
unhygienic -- (unclean and constituting a likely cause of disease; "pathetic dogs kept in small unhygienic cages")
       => unsanitary (vs. sanitary), insanitary, unhealthful -- (not sanitary or healthful; "unsanitary open sewers"; "grim and unsanitary conditions")