We found 8 dictionaries that define the word thinko:

General (3 matching dictionaries)

1. thinko: Oxford Learner's Dictionaries
2. thinko: Wiktionary
3. thinko: Dictionary.com

Business (1 matching dictionary)

4. BuzzWhack (No longer online)

Computing (2 matching dictionaries)

5. thinko: Free On-line Dictionary of Computing
6. thinko: Encyclopedia

Medicine (1 matching dictionary)

7. online medical dictionary (No longer online)

Slang (1 matching dictionary)

8. thinko: Urban Dictionary

Definitions from Wiktionary (thinko) ▸ noun:  (slang) A careless mistake made in thinking. ▸ verb:  (slang, transitive, intransitive) To make a mistake when thinking. Similar: whoopsy, misthought, goof, tyop, mistaking, misstep, goof-up, silly, slip of the tongue, mess-up, more... Opposite: no-brainer, automatic, reflexive, instinctive ▸ Words similar to thinko ▸ Usage examples for thinko ▸ Idioms related to thinko ▸ Wikipedia articles (New!) ▸ Popular adjectives describing thinko ▸ Words that often appear near thinko ▸ Rhymes of thinko ▸ Invented words related to thinko