imperfect; incomplete; faulty; defective
flawless; absolute perfection
fully armed; armed to the teeth
full version; complete version; unabridged edition
complete combustion; perfect combustion; giving one's all; doing one's best; using all of one's ability
reservations-only system; by-appointment-only system
recirculating aquaculture; closed cycle rearing of fish, etc.
complete silence (regarding a crime); remaining silent
nutritionally complete food (e.g. meal replacement); food product or meal that provides all the nutrients needed for good health
complete metamorphosis; holometabolism
complete support; full support
commission-only remuneration (e.g. from sales)
exclusive breastfeeding; feeding a baby only breast milk
complete intransitive verb
full parent company; wholly-owning parent company; sole parent company
fully qualified domain name; FQDN
black body; blackbody; Planckian radiator; full radiator; perfect radiator
everything must go (e.g. in a sale)
vegan diet; plant-based diet
(making a) full comeback; coming back after a full recovery
complete form; perfect form; final form; perfect field