Antonyms of adj ad_hoc

2 senses of ad hoc

Sense 1
ad hoc -- (often improvised or impromptu; "an ad hoc committee meeting")

INDIRECT (VIA unplanned) -> planned -- (designed or carried out according to a plan; "the planned outlays for new equipment")

Sense 2
ad hoc -- (for or concerned with one specific purpose; "a coordinated policy instead of ad hoc decisions")

INDIRECT (VIA specific) -> general -- (applying to all or most members of a category or group; "the general public"; "general assistance"; "a general rule"; "in general terms"; "comprehensible to the general reader")
INDIRECT (VIA specific, specific) -> nonspecific -- (not caused by a specific agent; used also of staining in making microscope slides; "nonspecific enteritis")

Similarity of adj ad_hoc

2 senses of ad hoc

Sense 1
ad hoc -- (often improvised or impromptu; "an ad hoc committee meeting")
       => unplanned (vs. planned) -- (without apparent forethought or prompting or planning; "an unplanned economy"; "accepts an unplanned order"; "an unplanned pregnancy"; "unplanned remarks")

Sense 2
ad hoc -- (for or concerned with one specific purpose; "a coordinated policy instead of ad hoc decisions")
       => specific (vs. general) (vs. nonspecific) -- ((sometimes followed by `to') applying to or characterized by or distinguishing something particular or special or unique; "rules with specific application"; "demands specific to the job"; "a specific and detailed account of the accident")

Synonyms of adv ad_hoc

1 sense of ad hoc

Sense 1
ad hoc -- (for one specific case; "they were appointed ad hoc")