Pronunciation: /æb ɪˈnɪʃiˌoʊ/
noun the beginning or start of something
A1 Ab initio is a Latin term meaning 'from the beginning'.
A2 In legal terms, ab initio refers to something being void ab initio, or void from the beginning.
B1 The project was planned ab initio, with every detail carefully considered from the start.
B2 The company decided to start the new venture ab initio, without any prior experience in the industry.
C1 The scientist conducted the research ab initio, starting from the basic principles and building up to more complex theories.
C2 The architect designed the building ab initio, taking into account all possible factors and requirements from the outset.
adverb from the beginning
A1 I started learning French ab initio.
A2 She decided to tackle the project ab initio.
B1 The company is building its reputation ab initio.
B2 The team developed the new software ab initio.
C1 The research project was conducted ab initio.
C2 The legal team analyzed the case ab initio before proceeding.
formal The contract was nullified ab initio due to a fundamental mistake in its formation.
informal They decided to start the project ab initio without any prior planning.
slang Let's just wing it and do this ab initio.
figurative She approached the problem ab initio, tackling it from a completely fresh perspective.
started
ab initios
more ab initio
most ab initio
begins
will begin
has begun
is beginning
ab initio
ab initio
to begin ab initio
beginning ab initio
having begun ab initio