behavior [a]
- blöd
- meschugge
- plemplem
- irre
ornithology [n]
- Kuckuck [m]

behavior [a]
- timbré
- toqué [informal]
- cinglé [informal]
- maboul [informal]
ornithology [n]
- coucou [m]

behavior [a]
- sciocco
- scemo
- stupido
- matto
- pazzo
ornithology [n]
- cuculo [m]

behavior [a]
- loco
- chiflado [informal]
- tocado [informal]
- chalado [informal]
ornithology [n]
- cuco [m]
- cuclillo [m]

behavior [a]
- knettergek
- getikt
- mesjogge
- maf
- knetter
- stapelgek
- stapel
- niet goed wijs
- niet goed snik
- van een lotje getikt
- niet goed bij zijn hoofd
ornithology [n]
- koekoek [m]

behavior [a]
- tokig
- stollig
- dåraktig
- snurrig
ornithology [n]
- gök [u]

behavior [a]
- doido
- maluco
- tonto
- amalucado
ornithology [n]
- cuco [m]

Present participle; Past participle
- cuckooing
- cuckooed
Present
- cuckoo
- cuckoo
- cuckoos
- cuckoo
- cuckoo
- cuckoo
Past
- cuckooed
- cuckooed
- cuckooed
- cuckooed
- cuckooed
- cuckooed
Future
- will cuckoo
- will cuckoo
- will cuckoo
- will cuckoo
- will cuckoo
- will cuckoo
Present conditional
- would cuckoo
- would cuckoo
- would cuckoo
- would cuckoo
- would cuckoo
- would cuckoo
Present Perfect
- have cuckooed
- have cuckooed
- has cuckooed
- have cuckooed
- have cuckooed
- have cuckooed
Past Perfect
- had cuckooed
- had cuckooed
- had cuckooed
- had cuckooed
- had cuckooed
- had cuckooed
Future Perfect
- will have cuckooed
- will have cuckooed
- will have cuckooed
- will have cuckooed
- will have cuckooed
- will have cuckooed
Past conditional
- would have cuckooed
- would have cuckooed
- would have cuckooed
- would have cuckooed
- would have cuckooed
- would have cuckooed
Imperative
- -
- cuckoo
- -
- -
- -
- -