wala

The conjunction wala is an invariable conjunction, meaning it never changes to agree with noun classes. It is an essential tool for building negative sentences in Swahili.

Here is how to use it correctly:

• Replacing 'and' / 'or': In affirmative sentences, you use na (and) or au (or). In negative sentences, wala replaces them to mean 'and not' or 'nor'. Note that a single wala must piggyback on an already negative statement; it cannot be used in a positive sentence to make it negative.
• Correlative Pairs: You can use it twice as wala ... wala ... to mean 'neither ... nor ...' (e.g., Wala Juma wala Ali...). When wala ... wala ... connects two subjects, the main verb of the sentence must also be negative. When connecting two singular subjects that precede the verb, the verb must take a plural subject prefix (e.g., Wala Juma wala Ali hawaendi). However, if the verb comes first, it can be singular (e.g., Hakupata mshahara, wala yeye wala jeshi lake). Furthermore, if the subjects include 'me' (mimi), the verb takes the 'we' prefix (e.g., Wala mimi wala yeye hatuendi). When connecting prepositional phrases or locations, Swahili strongly prefers repeating the preposition to keep the phrasing parallel (e.g., Wala kwenye meza wala kwenye kabati).
• Verb Repetition: When wala connects two items or clauses, repeating the negative verb is grammatically optional but common for emphasis (e.g., Sipendi chai wala kahawa vs. Sipendi chai wala sipendi kahawa).
• Negative Concord: This is a crucial rule for English speakers. English grammar forbids 'double negatives,' but Swahili requires them here. If wala introduces a new conjugated verb, that verb MUST be in a morphologically negative form (such as taking a negative subject prefix, negative tense marker, or negative infix like -si-). It does not cancel out the negation to make a positive. However, there is an exception for infinitives: when connecting infinitives acting as objects of a main negative verb, the second verb remains in the affirmative infinitive form (e.g., Sipendi kuimba wala kucheza).
• Extreme Emphasis: The highly common combination wala hata is used for extreme emphasis meaning 'not even' or 'absolutely neither' (e.g., Sina pesa, wala hata senti moja).
• Standalone Interjection: In casual conversation, wala is frequently used on its own as an emphatic interjection meaning 'Not at all!' or 'Nope!' (e.g., Q: Umechukua pesa zangu? A: Wala!).

While hata is often used alone for extreme emphasis meaning 'not even', wala can also carry a 'not even' nuance when adding a negated item to a list. Both are useful, but wala is your primary conjunction for linking parallel negative items.

Different Nouns and a New Sentence:
When wala joins subjects from different inanimate classes, one agreement choice may be unclear. Repeat the predicate for clarity: Gari halijafika wala treni haijafika (Neither the car nor the train has arrived). Li-/i- are subject agreements here, not object markers. Wala can also begin a new negative addition: Wala mimi sijui (Nor do I know).