Antonyms of adj advantageous

2 senses of advantageous

Sense 1
advantageous (vs. disadvantageous) -- (giving an advantage; "a contract advantageous to our country"; "socially advantageous to entertain often")

disadvantageous (vs. advantageous) -- (constituting a disadvantage)
        => minus, negative -- (involving disadvantage or harm; "minus (or negative) factors")

Sense 2
advantageous -- (appropriate for achieving a particular end; implies a lack of concern for fairness)

INDIRECT (VIA expedient) -> inexpedient -- (not suitable or advisable; "an inexpedient tactic")

Similarity of adj advantageous

2 senses of advantageous

Sense 1
advantageous (vs. disadvantageous) -- (giving an advantage; "a contract advantageous to our country"; "socially advantageous to entertain often")
       => beneficial, good -- (promoting or enhancing well-being; "an arms limitation agreement beneficial to all countries"; "the beneficial effects of a temperate climate"; "the experience was good for her")
       => plus, positive -- (involving advantage or good; "a plus (or positive) factor")
       => discriminatory, preferential -- (manifesting partiality; "a discriminatory tax"; "preferential tariff rates"; "preferential treatment"; "a preferential shop gives priority or advantage to union members in hiring or promoting")
          Also See-> expedient#1; opportune#1; profitable#1

Sense 2
advantageous -- (appropriate for achieving a particular end; implies a lack of concern for fairness)
       => expedient (vs. inexpedient) -- (serving to promote your interest; "was merciful only when mercy was expedient")